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Casio GW500A-1V G-Shock Atomic Solar Watch

593 customer reviews

Available from these sellers.
  • Quartz movement
  • Water-resistant to 660 feet (200 M)
  • Atomic Timekeeping: Receives time calibration radio signals which keep the displayed time accurate
  • Auto EL backlight with Afterglow
  • 29 times zones (30 cities), city code display, daylight saving on/off

Watches with manufacturer warranty

  • Casio
  • Casio
  • Casio
  • Casio

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Product Description

The shock-resistant design of the Casio Men's G-Shock Atomic Tough Solar Watch makes it a one-of-a-kind timepiece. This tough watch is constructed with a durable black resin case, a stationary stainless steel bezel, and a black resin wristband with an adjustable buckle clasp for a personalized fit. A durable mineral window shields the digital-gray dial face, which features the time display, as well as the day, date, and month. The digital-quartz-powered watch includes adjust, mode, split/reset, and start/stop function buttons to fit your activity, as well as subdials that track battery life. It is water resistant to 660 feet.


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.

  • ASIN: B001AZXN4O
  • Product Dimensions: 4.7 x 3.3 x 2.2 inches; 1 pounds
  • Shipping Weight: 4.2 ounces
  • 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.
  • Item model number: GW500A-1V
  • Amazon Best Sellers Rank: #12,107 in Watches (See Top 100 in Watches)
    • Average Customer Review:
      593 customer reviews

    Product Specifications

    Watch Information
    Brand, Seller, or Collection Name Casio
    Model number GW500A-1V
    Part Number GW500A-1V
    Model Year 2011
    Item Shape Oval
    Dial window material type Mineral
    Display Type Digital
    Clasp Buckle
    Case material Stainless steel
    Case diameter 46.2 millimeters
    Case Thickness 15.3 millimeters
    Band Material Resin
    Band length mens
    Band width 26 millimeters
    Band Color Black
    Dial color Black
    Bezel material Stainless steel
    Bezel function Stationary
    Calendar Day, date, and month
    Special features Shock resistant, solar, Water Resistant
    Item weight 16 Ounces
    Movement Quartz
    Water resistant depth 660 Feet

    Customer Questions & Answers

    Customer Reviews

    Most Helpful Customer Reviews

    315 of 319 people found the following review helpful By Eric Krupin on August 20, 2006
    Having owned the GW500AJP-1AV for a week, here are my thoughts on some of the points raised by the reviewers of this and other G-Shock models:

    1. In my opinion, concerns about the thickness of the watch have been overstated. Certainly, if slimness is an *important* criterion for you, this isn't your watch. But you'll have no trouble fitting it under your shirt cuff. [Though the manual cautions that doing so will hamper the solar function.] Even my ridiculously slender wrists support it - physically and (I hope) esthetically - without difficulty.

    2. The G-Shock models are advertised as rugged. I'm not about to use mine as a hockey puck to put that to the test. But it certainly *feels* sturdy. [The thickness helps here.] And from what I've read about them elsewhere, they do shrug off a considerable amount of punishment.

    3. Everyone's experience with receiving the timekeeping signal from Fort Collins will vary depending on the particulars of their location and the attention they pay to the manual. I live only 350 miles from the transmitter but with modestly sized mountains in between - which can be a dealbreaker. Although it took a longer period of motionlessness for the watch to lock in than the manual had told me to allow, it has received a strong signal ever since. [And keep in mind that the watch is accurate to 15 seconds a month even without synchronization.]

    3. When I first unpacked the watch, the battery level was at Medium - which you would expect after it having been in a box for who knows how long. After 3 hours of direct exposure to bright sunlight [which you should do in the early morning to keep the watch from roasting], the battery level has remained High ever since.

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    111 of 115 people found the following review helpful By Clay Marley on June 18, 2006
    Verified Purchase
    I first bought a Casio G-Shock type watch back in about '82, a DW-1000, actually a precursor to the G-Shock. Still works great to this day, though I've replaced the battery twice and replaced the resin band with a metal one. This watch has served me well over the years from hiking to scuba diving. So I decided it was time to upgrade to the latest technology - a solar powered G-Shock with "atomic" timekeeping.

    This new watch performs great so far. It synchronizes to the Fort Collins signal every night without problems. I live roughly 700 miles from the transmitter. In the good old days I used to dial in the time signal on a shortwave radio to synchronize my watches. It's great to have a watch I can forget about setting.

    I was a little concerned before I bought this watch that Casio was relying on the time sync and the watch might not be accurate without it. This is important to me because I frequently travel internationally. Not a problem. My watch had last been synced about 6 weeks prior to my receiving it, and was off about 12 seconds. That's 2 seconds a week or less than 2 minutes a year.

    The other feature I especially like is the easy world time - a couple button presses and I can show time at whatever time zone I am in. Other functions like the stopwatch are easy to use without constantly referring to the manual.

    There are 3 round dials at top. The left acts like an analog minute hand. The center shows the battery charge, and the right shows if any secondary functions are active, like the alarms or stopwatch. The text on the right dial is almost impossible to read regardless of how young your eyes are.

    I think this watch looks great, but it is thick - almost 5/8 inch thick. So if you like svelte watches this isn't for you.
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    33 of 33 people found the following review helpful By Mace Thomas VINE VOICE on September 25, 2008
    First off, I agree that this watch can be found in retail stores for about that price or less and you can try it out while you are there. Once you own this watch, you can forget about needing to change a dead battery when you least expect it. This is due to the built-in solar panel. Also, it can update itself to the atomic time (USA) by using a signal that is automatically obtained by the watch early in the morning while you sleep. This watch has a tilt sensor that will automatically turn on the indiglo light when you go to look at it. I have had this watch for a few years now, and there is not a scratch on it. The band is still in perfect condition, but a little dirty. This is a watch that you can forget about replacing for many, many years.
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    29 of 29 people found the following review helpful By T. Hannon on March 18, 2010
    I usually don't give a product a 5 star rating unless there are no cons whatsoever, but the cons on this watch are just nitpicky stuff anyway. I have always been a Timex Ironman buyer and this is my first Casio. I will never go back. This is the coolest watch I have owned. Just the feature alone where you can turn on the light just by tilting your wrist makes everyone say "Wow! That's Cool!". Below is my list of good and not so good, some I have experienced and some came from others.

    1. Tough as Hell! Can't hardly hurt it.
    2. Charges the battery with light! You got to love that! (Cool Feature #1)
    3. Sets itself every night. It is ALWAYS within 1 second of the official U.S. time. (Cool Feature #2)
    4. Can be set so the light comes on in the dark just by tilting your wrist. And yes, the watch knows when it is dark! (Cool feature #3......really cool!)
    5. If you take the watch off at night and put it on your nightstand (because you will turn the light on a lot as you roll around in bed), it will go to "sleep" to conserve the battery. Yes, the watch also knows when it is not moving around. (Cool feature #4)
    6. It is comfortable and surprisingly light for its size.

    Not So Good:
    1. The band that comes with the watch is the ONLY band that will fit it. I have not had to replace mine nor does it look like it will happen any time soon, But I am sure it will not be an easy process.
    2. Most of the words and functions on the watch face are very difficult to read, and I have excellent eyes. The left dial gives you an analog version of where you are in the current hour. People who like analog watches for this reason will like it, but for the most part it is just a filler feature on the watch face.
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