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Showing 1-10 of 598 reviews(Verified Purchases). See all 649 reviews
on February 1, 2016
The direct descendent of the original Casio G-Shock that was released in 1983 is the GW-5000, which is available as an import from Japan. This GW-M5610 is a first cousin of that pricier watch and it carries on the tradition of tough square G-Shocks. What you lose from the GW-5000 is the stainless steel case with a screwed-down back whereas the GW-M5610 has a resin case with a stainless steel back plate held down with four screws. Both watches have identical features including solar charging, atomic time synchronization, World Time, four daily alarms with snooze function, a countdown timer, a stopwatch, and electroluminescent illumination that can be automatically engaged with the movement of your wrist in a dark environment. The GW-M5610 gets a red surround and white, blue, and yellow writing on the face which makes it a little busier aesthetically than more monochromatic versions of the 5000 and 5600 series.

The first thing I noticed about the watch is how much smaller, thinner, and lighter it is compared to round G-Shock versions I own. It is an excellent choice to wear under long sleeves and jackets because it easily fits underneath them with minimal interference. I will be using this watch in the winter months for daily wear due to its sleek profile. The second thing of note is the crisp clarity of the numbers in the positive LCD screen. It surpasses my Casio Pro-Trek PRW-3500 in regards to off-axis legibility even though the Pro-Trek’s digits are 50% larger than the GW-M5610’s. I am really impressed with how good this watch’s display is.

I find the strap fits comfortably on my 7-1/2 inch wrist. The light weight makes me forget that I am even wearing a watch at all. Contrary to the dozens of complaints from previous owners here on Amazon, my auto backlight function works perfectly fine even though I leave it shut off in order to conserve power. My watch was manufactured on January 8, 2015 so maybe Casio has finally fixed the issue with faulty backlight switches. There are several one star reviews of this watch here because of this issue and I honestly cannot understand how one can downgrade the rating of the entire watch due to one feature that most G-Shock users end up turning off anyway. The auto backlight duration unfortunately is not adjustable like my Pro-Trek and Gulfmaster. I would prefer the ability to lengthen it from 1 second to 3, but this is a minor nit.

The function buttons are all recessed into a protective niche on the side of the case so pressing them only works for me when I use the tip of a fingernail. Action is positive and appropriate for the pressing force I apply. The World Time, stop watch, and timer functions all work like other Casio digital watches and are intuitively accessed with mode button. The one complaint I do have is that the volume of the alarm signal is very weak and probably would not wake a person from a deep sleep. If Amazon’s star rating system would allow it, I would subtract a half star for this and would suggest not relying on this watch for important wake-ups and instead using the alarm from dedicated alarm clock or smart phone. Note that this isn’t any different than the other Casio solar-charged watches, so it may be a function of reduced battery capacity.

My watch arrived from Amazon with the power reserve showing at the Medium level. I put it out in the sun for about 30 minutes and the reading went to High. I set my home city, clicked Daylight Savings Time to the automatic setting, and synched the watch to the atomic clock signal in Ft. Collins without any trouble. Each evening just after midnight it synchs automatically so the watch always has an accurate time reading. I’ve had no issues with not receiving the signal but then again I live in a state bordering Colorado and all my atomic watches synch each day without fail.

This watch is a great heir to the spirit of the original G-Shock. It wears small and comfortably on the wrist, is tough as nails, cost about one-third of what the GW-5000 does, has the accuracy of atomic synching, should run for a decade or more on the original solar battery (note that all solar watches will need to have the rechargeable battery replaced as some time in their lives), and has a very clear and legible display.

As a long-time G-Shock owner, I have previously been drawn to only the round case models. I find it remarkable that after finally taking the plunge with this square case GW-M5610 that I have been absolutely delighted by this watch. It’s certainly not very flashy and has a nerdy charm of its own. No one in going to compliment you on it, but that’s all part of the fun of being a G-Shock fan. I now regret taking so long to come around to the Square Side and can recommend this watch most highly.
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on July 9, 2015
I lost total count of how many G-Shock watches I've ever owned, but this is the third one I currently have. My other two are the GW3000BB-1A that I wear for nicer occasions, and the DW5600E-1V that I wear for work. In planning a month long overseas trip with mixed urban and outdoor activities, I wanted a watch that was good looking watch, and also inexpensive so as to not worry about scratching it, losing it, or replacing it.

I'm usually not a fan of big and bulky watches due to having a small (157 mm circumference) wrist. Complicated-looking watches with features/dials/gauges are just silly, especially if they are features I would never use. After owning the GW3000, I really like the atomic solar feature. There are a few other atomic solar G-Shocks on Amazon that are slightly less expensive, but these are the reasons why I chose the GWM5610-1.

Compared to the DW5600, this GWM5610 costs more than twice as much, but I think the GWM5610 is indeed twice as good. As long as you have atomic clock signal reception, you never have to set the time. You can set a second time zone for the world clock. It is not half the weight, nor is twice as durable, but these might be the only areas that the watch is not twice as good as the DW5600.

Setting its time zone was far easier than with the GW3000 due to having a digital display and not having arms which are used to indicate settings and times. With regards to DST selection, this watch allows you to choose between automatic/on/off. Therefore, if you live in Arizona where half the year we are with Mountain Standard and the rest with Pacific Standard, you will have no problems with the GWM5610. Contrary, The GW3000 does not allow you to choose the DST mode, and it automatically selects the DST mode based on the time zone you select. Thus, with the GW3000, I have to change the time zone between LAX and DEN twice a year. Annoyance.

I have not attempted, and I may end up not trying, but because the bezel of this GWM5610 appears identical to the DW5600's, I believe the bezel can be removed and "stealthed." I will probably wear it for a few days and decide if I like it the way it is, or go ahead and stealth it. I think the different colors on the face of the watch complement each other well, and it might look better as is.

Eventually, I may replace the DW5600 with this watch as my work watch. Working in an occupation that requires accurate time for record keeping, the atomic feature would be nice to have. At the moment, readjusting the time on the DW5600 once every other month or so is not a big issue. Perhaps, when the DW5600 breaks (if it ever would), I would replace it with another GWM5610.

There is one issue, and it may be a big issue for you. This watch has an automatic backlight feature that turns the backlight on when in a dark room and when the watch face is tilted from a horizontal position to a minimum of 40 degrees upward (as if you're bringing the watch to your face). The feature is called Auto EL, and it can be turned on and off.

Apparently, many GWM5610 come with defective Auto EL from the factory. You probably saw many reviewers and product question stating this. Many have returned their watch to Amazon only to get another defective watch. These defective units are sold at retailers other than Amazon as well.

My watch is indeed defective. I confirmed this by making sure the watch was charged, and then putting the watch in the tilt sensor test mode (by pressing the A, B, and C buttons simultaneously), and noting that the watch did not sense me tilting it. It will display "8888" if it senses that there is tilting occurring.

I wasn't planning on using the Auto EL feature. I believe I had an old watch decades ago that had this feature, and I didn't find it particularly useful. If the feature was working, I may find it useful at work at night when I'm unable to touch my watch with my fingers. Considering that the watch is solar, battery life is not a concern either. It's pretty cool, again, if it was working.

I don't think I will be asking for a replacement. I am cutting it close to my trip, and may not have enough time to receive a replacement from Amazon. Seeing how many people have received defective watches from recent purchases dating back a few years, I feel that I might get a defective replacement anyway.

Because I'm not horribly heartbroken that the Auto EL does not work, I'm only deducting one star from the review. Again, you may feel that this is a deal breaker.

My review for the GW3000BB-1A:
Amazon's GW3000BB-1A product page:
Amazon's DW5600E-1V product page:

Update on 2015/07/17 at 18:39 Arizona Standard Time

Star rating changed from 4 stars to 3 due to receiving three defective watches. I won't be asking for another replacement. I guess I wasn't meant to have Auto EL.
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on December 11, 2012
I admit it - I love casio watches, particularly the square faced ones. I've been trying to get one in this style with the Multi-band 6 for a while now, and am excited to finally have found one at a (very) reasonable price.

I had read some reviews that had concern for the solar battery life, and having worn this for the past 2 months, I can say i've had no battery issues and have had to make no special arrangements to make certain it is charged. It's chilly here, so i'm often wearing a coat outside and a jacket at my desk, but the watch still indicates that the battery charge is "high".

The multiband-6 timekeeping is revolutionary, to me at least. I work in an IT environment, and it's helpful to know that my watch is in sync with all of my servers that use NTP (which distributes atomic level timekeeping over IP networks). I love knowing that even though i haven't had to dial WWV in Colorado (or listen to them on shortwave) to check my watch time, it's perfectly in sync, or reasonably so even if it hasn't synced that morning.

That said, I don't get perfect reception of the signal in my house. It seems to do better in some positions and some rooms better than others. That means that if it lays on its face on my nighstand, or falls on the floor, it might not get the sync signal. You might also have problems in hotel rooms.

The other feature of casio watches that i really appreciate is the World Time reading. I routinely work with teams across the globe, and it's handy to just press 1 button twice on my watch to see the date / time in their zone.

Overall, if you're looking for a casual but feature filled daily-wearer, this is an excellent choice. I have even been known to use it to time my coffee / tea brewing.
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on October 10, 2015
I just received this watch recently, so here are my initial impressions.

The things I like:

The watch is small for a G-shock, so if you are looking for something small and light, this is it.
The functionality is great. Solar powered, Automatic time, stop watch, count down timer, multiple alarms and a second time zone - perfect.

The illumination actually works on this watch. Very easy to see in the dark as the entire face lights. It is also water resistant to 600 feet - so you could scuba dive with this thing if you wanted. The solar power is great, because every time you have to open up the back of the case to replace the battery, you are compromising the water resistance and allowing contaminants inside. With this watch, you should never have to open the back.

I have had no problems with the automatic (EL) light tilt feature, (that has been a problem with so many others) so maybe Casio finally fixed this issue. I'm not sure I'll use it much, as it is too easy to tilt your watch and turn on the light when you don't need it, therefore wearing the battery down unnecessarily , but it's a nice feature just the same. My only complaint with the lighting is it isn't on long enough. (Only 1.5 seconds and you can't adjust the length of time) I have also seen that the auto EL feature requires you to twist your watch up at a very precise angle. Sometimes it is a bit fussy about turning on.

I like having the day, date and time visible on the front of the screen at a glance. The watch also has a power saving feature which turns off the LCD display when you aren't using it at night. This helps preserve your battery when not using the watch. The watch also has the battery level indicator right on the face which I like. Mine came with a Medium charge but I quickly was able to get it up to High by having it out in the sunlight for a couple of hours.

The watch is very easy to navigate and is very logically laid out. The printed instructions are very small so I suggest downloading the PDF file to enlarge the text. The instructions are very well written.

The Atomic synchronization with the Colorado WWVB time broadcast works great. I live in Florida and had no problem manually syncing the time during daylight hours while outside! It really surprised me that I was picking up a Level 3 signal on the East side of central Florida at 1:00 in the afternoon. This tells me the receiver in this watch is quite sensitive.

At night it synced the second attempt at 1:00am in less than 4 minutes. This is a great feature as I am always resetting my watches to the atomic clock anyway. This one does it for you each day, so you will always have nearly perfect time and will never have to change the date or time, unless you move. This is a great feature for a watch.

Being a HAM radio operator, let me tell you how this atomic clock signal works. First of all, it is a 60 kilohertz frequency, so you aren't going to get as reliable signal during daylight hours. The signal uses ground wave propagation and is usually easier to pick up at night as long wave signals work best after dark. The signal should be pretty strong just about everywhere during the early morning hours. (It's actually broadcast with 70,000 watts of power. Most Ham radio operators use 100 - 1000 watts to transmit around the world.) That's why the watch is programmed to start receiving at midnight. Place your watch near a window and you should pick it up pretty much anywhere in the USA. The only exception might be if you live in a large city near big buildings and heavy urban density which causes a lot of interference with the broadcast signal. Or you might live in a home with that has a lot of metal and electrical interference which some have reported in previous reviews. (I have actually had very good success picking up the signal outside during the day in manual mode (East Coast of Florida) and I live a long ways from the transmitter in Ft. Collins Colorado.

The watch is very rugged and I doubt I will ever wear it out the way I use it. I tend to like standard analog faced watches better, but this one is a great "kick around" watch that I can wear when I don't want to worry about being tough on my more expensive watches. The watch was reasonably priced compared to other G-Shocks while having both the Solar and Atomic syncing features. I really don't have a need for a barometer or altimeter, but I must admit, the compass and sunrise/sunset features would be nice. (Maybe on my next G-shock purchase?) But, you will end up with a much larger and bulkier watch as a trade-off for these extra features.

OK - so the watch is almost perfect - so why only 4 stars? Well, I'm sorry to say I don't like the resin band very much.

First of all, the band is too short. I have a medium wrist and it doesn't have a lot of slack. I usually have it on the forth hole.
Second, the band is not very comfortable to wear. I find it a bit stiff and it just doesn't conform to my wrist very well. I can live with it, but I'm going to try to replace it with another Casio band. I ordered one from the DW6900 to see if it is longer and more comfortable.

(Update 10-12-2015, just got the DW6900 band and it isn't any longer or any more supple - so back it goes)

I have also read that the GW5000 band is softer and more comfortable, (possibly made with a softer resin material) but is the same length and is expensive, so I'm not sure that's a better option. I could put adapters on it and wear a NATO type nylon strap, but I think it takes away from the watch's rugged looks.

If Casio had put a longer and more comfortable band on this it would be just about the perfect "knock around" watch. I'm very impressed with it so far and can live with the less than ideal band. I think the watch is a nice compromise between features, size and price.

I highly recommend it to others looking for a tough watch with a smaller profile (than other G-shocks) with a lot of advanced features.

Update Oct 15, 2015

Based on the reviews for the Casio DW5000 band, I ordered and received it. I don't know what it is, but the stock band is just not very comfortable and irritates my skin. Hopefully the replacement band will be more comfortable.

The Sync with the Atomic clock has worked perfectly each and every night, except one. You will find some nights where the radio propagation just isn't as strong for some reasons. Even if it misses a day or two, you aren't likely to be off more than a second as the quartz clock in this watch is very accurate.

I have a bit of buyer's remorse thinking I should have bought the Rangefinder 9400, since it has more toys. (Barometer, Altimeter, Compass, etc.), but I'm just not sure I would like the size of it. I don't camp or hunt so I really don't need those features. It's just the "toy" factor I am interested in. The 5610 is really nice for it's simplicity, reasonable price and smaller size. It does everything I need very well.

Update October 19 2015
Just received the GW5000 band. It is more rubbery, thinner and has more flex to it. In my opinion it is a bit more comfortable than the stock band that comes with this watch which has more of a hard plastic feel to it. The band I received was manufactured in Japan so I'm guessing it is more expensive to make. I'm very happy with the GW5000 band on this watch and had Casio put it on as stock, this watch would have gotten a 5 star rating from me.
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on January 9, 2017
I really like this watch. The retro look combined with the modern innovation of being solar power is a great blend of classic design merged with modern technology.

What appealed to me about this watch is that it was designed for purely practical and pragmatic reasons, but also the history behind its previous descendants. This model is based on the DW-5600C-1V, the same watch worn by Keanu Reeves in the movie 'Speed', but more impressively, the watch was approved for NASA space missions.

Although this G Shock isn't the DW-5600C-1V, it is a modern upgrade replete with the same qualities which made it so robust.

The watch itself was delivered quickly by Amazon to Australia. Setting up the time was a simple process, and because I have small wrists, I find the bigger G Shocks tend to be a bit big on the wrists and get in the way a bit, this watch however is a good size.

The most impressive thing is the atomic time keeping function of this watch. Currently living in Australia, I am unfortunately unable to take advantage of this feature, however, being someone who travels a lot, I will be taking advantage of this option.

I also constantly use the auto-illumination option, as I am a nurse who frequently works night shifts, this feature is great for keeping time in a dimly lit ward. A simple tilt of my wrist at a 30 degree angle illuminates the time.

Most importantly though, the reason I bought this watch is due to its robustness. This watch will hold up just as well as some of the more expensive G Shocks out there. Being solar powered, I will only have to change the batteries every 10 years or so, not potentially every 2.

A great buy, a great watch made by a reliable company.
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on July 31, 2015
Ok, I just got this watch today. I ordered it a couple days ago but I had been watching it for about a week. From that time until the day I purchased it, there was a warning on the main page of this watches' ad that warned potential buyers that the tilt function was faulty but Amazon was looking into it. Read any recent reviews and you will get what I am talking about. The day I ordered this watch, the warning was gone and the seller who was going to handle any orders for Amazon while the problem was being investigated was also missing. When Amazon started reselling this watch, the price dropped about ten dollars from when I put it in my watch list. 'Imagine that.

When I received the watch, it was in a box which held a tin and the usual manuals and warranty stuff. Funny, the tin is shaped like a hexagon and the lid is reminiscent of the old screw down case backs that were my favorite years ago but Casio did away with them. The watch was what I expected when I removed it from the tin- Awesome! Nevertheless I wanted to test the tilt function first so I pushed and held the A, B, and C buttons. TILT was displayed in the upper right hand corner and then moving it in a fashion as if you were looking at the time in the dark, it displayed 88 88. This means the function is operational. Note, I did NOT have the Auto EL function activated when I checked the TILT function but a properly functioning watch will display TILT and 88 88 with A EL on or off (I checked them both). Finally, a similar sequence of button pushes can also check the display and the solar cell.

In normal operation the Auto EL works fine. The solar cell had the battery charged from M to H in about ten minutes of direct sunlight. The watch is smaller and lighter than my DW 5600E but only by a fraction of each. To quantify, my 5600 weighs 54 grams and this 5610 weighs 49 grams. The case is matte, the module is 3159, and the case back has Made in Thailand etched. The etching is not as deep as other case backs but it is not a big deal. The numbers are slightly bigger and the date box is pixelated for higher resolution. These are nice additions.

Now on to my gripes. In the stopwatch and countdown functions, the time is not displayed in the upper right hand corner. I think this is an "upgrade" from the GWM5600. The countdown timer can not be programmed for less than a minute. The watch band is slightly smaller than its predecessors. Overall this watch feels slightly cheaper than previous G-Shocks.

Despite my gripes, this is a great watch. I want something I can wear everyday, it can take abuse, it has the basic functions, it has atomic timekeeping, and is solar recharged. This watch fits these criteria.
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on March 10, 2017
I have had the watch for 2 months now, and it has become my new daily driver.

I was daily-ing larger G Shocks for the past several years, and the GW is the right size for daily wear. I don't have to worry about nicking the bezel or scratching the face, this thing is built to last. Thats why I love Casios, and G Shocks specifically.

The buttons can be fussy to press at first, but once you get used to it, you appreciate it for the directness and purpose of the design.

The timekeeping is great, I have a watch stand that overnight, it syncs about 70% of the nights it is there, either at 12:04am, 1:04am, or 2:04am. Although sometimes if I happen to leave it on the floor in a pile of clothes, it will sync then too. The longest I have gone without a sync is 7 or 8 days.

The powersave mode is not a hassle at all, the watch display will turn right back on as soon as it sees enough light.

If you are even slightly considering buying this watch, go ahead and get it. This watch is tempting me to offload some of my older G Shocks, as they simply do not get as much wear-time now that this watch is doing such a great job for me.

Accurate time, clear date and day, and durable.
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on April 1, 2017
This model of G Shock is fantastic if you collect these Square models or want your first one, the look is criticized by some, the red stripe is meant to harken back to the original Square G Shock, some people dont like the look of the watch - but everything about this watch is that is that....its not really a watch for fashion type Casio people...this is a great EDC type of piece, a "one watch" piece more or less....I had standard model G Shock like this back in the 80's/ early 90's, primarily why I wanted this. I would probably say start out with the DW-5600 entry version if you have never had a Casio of this type before and want to get into one - its simpler, has the main features you need and nothing more, and its half the price on average of this Solar/ Atomic syncing model. But I am glad I got this version....If I had to grab one watch and only one....this would be the one - main reason - its slim but durable, light, and the solar battery means zero issues, water resistant for most average circumstances - example - you are going on a long trip, world travel, backpacking...this is a good just dont have to worry about it failing, running out of battery, etc. So, its is kind of worth the extra cost for the peace of mind, you will always have a watch. The World Time feature is great for travel - its always good to be able to track your home time or target destination time for planning and communicating with others back home, or for calling ahead to other destinations - you have to know business hours, best time to call etc....its a convenience thing - the watch has many time zones built in - so you just have to scroll thru and choose your 2nd time zone. The Multiband 6 (Atomic clock sync) is great - you know exactly what time it long as you are synced up with a local frequency - the user manual talks alot about this topic - but you still can adjust the time manually - but once you are synced, the watch is supposed to be +- 15 seconds per month - better than most watches you could spend hundreds or thousands on. The watch attempts to sync up automatically each night....if you are within one of the 6 radio frequency ranges. The alarm is not that loud, but its functional. The countdown timer and stopwatch are there if you need those...standard more or less. Overall, this is a really intelligent purchase item, a great "one watch" if you just want a replacement timepiece and want one that does pretty much all you need a watch to do...and a little more. For G Shock collectors, you pretty much have to have a variation of this watch - its a classic. One nice detail also - the case back looks like a machined piece as opposed to stamped metal like the cheaper model and many other Casio models. The watch is slimmer and smaller than I expected - its understated and relatively compact compared to other large more recent Casio designs.....but, again, this is not a trendy bulky piece.

Summary - if you are a world traveler, this watch would be a great choice. Or, if you want just one watch to serve you for the next several years, you wont need much more than this model of G Shock - you wont need a battery change for probably 10 years, maybe more....the one thing the manual does say and I dont see anyone talking about anywhere, if you are using the watch in water alot - you need to have it checked by a Casio approved technician/ shop every few years for seal replacement to ensure water resistance - the gaskets/ seals can wear out over time - I am sure this holds true for any G Shock or watch of this type.
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on March 9, 2017
I absolutely LOVE this watch, and have been wearing it almost every waking hour since I've gotten it. I loved the smaller form factor of my original Casio G-Shock DW-5000, and this matches it almost perfectly. It maintains the same form & fit, but adds to the functionality with the touch solar charging and 6-band time sync. I wasn't originally big on solar charging watches, but - having bought a few solar Casios, and being impressed with their ability to maintain a charge with regular usage (especially their ProTrek watches) - now I'm a convert. After the initial top-up, I've never had problems with any of my Casio watches running low - even in intermittent or artificial light (I sometimes work a night schedule). If you loved the original G-Shock DW-5000 form factor, you'll probably like this as well. It replaces several other VERY good Casio watches as my new EDC watch, and it'll probably even be my field watch most of the time.
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on July 19, 2015
Updated 9-5-15 with a Video regarding Auto EL.
I've been wearing this "Classic" style G-shock for 3 decades. My most recent one, while still working was very beat up so I decided to upgrade to this one. I had a DW-5600-1. I wanted this one for the solar power and atomic time keeping. I love the watch. I had to return the first one because it had the known issue with the auto backlight not working. The replacement works perfectly. I do wonder if that feature eventually stops working though. If you want to test your tilt function, just pres the left 2 butts and the top right button at the same time. The screen will display "Tilt" Then tip the watch like you're going to look at it. You should see 8888 on the screen. This test works regardless of how much light is in the room.
As far as atomic time keeping I do have to put it by a window during the night as it will not receive the time from my night stand. I see Amazon has suspended sales on this watch and I assume it is due to the backlight issue.
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