- Auto light feature will not work if the battery level falls below Medium (marked as M on the face of the watch).
- Turn on or off the auto light function by holding down the light button and turn wrist at a 40 degree angle towards the user in a dark environment
- Casual solar-powered watch with multiple functions including multi-band atomic timekeeping, shock resistance, EL backlight, world time (29 time zones, 48 cities), city code display, five daily alarms, 1/100-second stopwatch, countdown timer, full auto-calendar, battery indicator, and power-saving function
- Approximate battery life: 10 months on full charge (without further exposure to light)
- Water resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving
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This model possesses Tough Solar and Multi-band 6 Atomic Timekeeping technology housed within an even slim profile octagonal case. Non-Stop Tough Solar Power provides energy via a small solar panel combined with a large-capacity rechargeable battery that enables a variety of energy-hungry functions to operate smoothly. Black resin band digital watch with neutral face.
With the launch of its first watch in November 1974, Casio entered the wristwatch market at a time when the watch industry had just discovered digital technology. As a company with cutting-edge electronic technology developed for pocket calculators, Casio entered this field confident that it could develop timepieces that would lead the market.
Today, Casio is focusing its efforts on solar-powered radio-controlled watches: the built-in solar battery eliminates the nuisance of replacing batteries, atomic timekeeping means the users never have to reset the time. Recently, Casio launched a series of Bluetooth watches that sync to the users cell phone to automatically update the time. Casio is always moving time forward.
- Product Dimensions: 9.1 x 9.1 x 9.1 inches
- Shipping Weight: 7.2 ounces (View shipping rates and policies)
- ASIN: B007RWZHXO
- Item model number: GWM5610-1
- Batteries: 1 LR44 batteries required. (included)
- Date first available at Amazon.com: May 2, 2012
- Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
- International Shipping: This item is not eligible for international shipping. Learn More
- Average Customer Review:
|Brand, Seller, or Collection Name||Casio|
|Dial window material type||Mineral|
|Case diameter||46.7 millimeters|
|Case Thickness||43.2 millimeters|
|Band length||Mens Standard|
|Band width||12.7 millimeters|
|Calendar||Day Date And Month|
|Special features||Light, Chronograph, Shock resistant|
|Water resistant depth||660 Feet|
Top customer reviews
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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.
Even being small in size, this watch still stands up to the larger G-Shocks, in strength and features. It is atomic, so you never have to worry about the time being off. Syncs even on my nightstand. This was one of the deciding factors for me because I don't like having to check and see if my watch is correct. Casio claims that this watch won't ever be off more than a second, if it is synced periodically. Oh yeah, and it's solar powered!
Another reason I got this watch is because it doesn't have very many exposed metal pieces. I wash cars for a dealership, and I can't have a metal watch that will scratch cars.
One of the big decisions I had to make while I was searching for a watch was do I want a negative display? And truthfully, I still don't know. This display doesn't disappoint. It is crisp, and easy to read in all light conditions, even dark at night under street lamps. My conclusion, I love it. But, someday I would like to try a negative display.
Overall, this watch beats every other watch I've looked at. It has all the features I was looking for and more. This watch is worth twice what it retails at. It looks great and just works.