Casio Men's AWG100-1A G-Shock Multi-Band Solar Atomic Analog Watch

4.3 out of 5 stars 300 customer reviews

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  • Quartz movement
  • Daily alarm, countdown timer, 1/100 second stopwatch
  • Accuracy: +/-15 seconds per month (with no signal calibration); world Time (48 Cities), Shock Resistant
  • LED Light with Afterglow; hourly Time Signal; auto Calendar (pre-programmed until the year 2099); 12 and 24 hour formats
  • Water resistant to 660 feet (200 M): suitable for recreational scuba diving

Watches with manufacturer warranty

  • Casio
  • Casio
  • Casio
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Product Description

The Casio Men's G-Shock Multi-Band Atomic Solar Analog Watch #AWG100-1A features a dramatic black dial face, which comes encased by a sturdy mineral dial window. Embellishing the face, stand-out indexes bring at-a-glance readability while a day-date-and-month calendar, a daily alarm, and a countdown timer enhance your timekeeping experience. The sleek, black resin band comes equipped with a durable buckle closure. Other details include a stationary resin bezel and 45-millimeter stainless steel case. Blending sporty looks with a technical efficiency, this stunning timepiece is built to accentuate your sophisticated style. Powered by analog-quartz movement, this watch is also 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.

  • Product Dimensions: 4.8 x 3.1 x 2.9 inches
  • Shipping Weight: 4.8 ounces
  • ASIN: B001A5HWH8
  • Item model number: AWG100-1A
  • Date first available at July 7, 2004
  • 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
  • Amazon Best Sellers Rank: #27,900 in Watches (See Top 100 in Watches)
    • Average Customer Review:
      4.3 out of 5 stars 300 customer reviews

    Product Specifications

    Watch Information
    Brand, Seller, or Collection Name Casio
    Model number AWG100-1A
    Part Number AWG100-1A
    Model Year 2011
    Item Shape Round
    Dial window material type Mineral
    Display Type Analog
    Clasp Buckle
    Case material Stainless Steel
    Case diameter 45 millimeters
    Case Thickness 15 millimeters
    Band Material Resin
    Band length Mens
    Band width 25 millimeters
    Band Color Black
    Dial color Black
    Bezel material Resin
    Bezel function Stationary
    Calendar Day, date, and month
    Special features alarm-feature, Shock resistant, Water Resistant
    Item weight 4.80 Ounces
    Movement Quartz
    Water resistant depth 660 Feet

    Customer Questions & Answers

    Customer Reviews

    Top Customer Reviews

    When I opened the package, I was surprised with how this watch looked even better than it did on the web sites. The three small windows on the face are easy to see, but are not as bright as they look in the picture. The silver frame around the face and the hands stand out in a dark background, which is so cool! This watch is not small like baby-G, but is compact and looks like all you need for everyday life is packed inside.

    The atomic system and solar power are really convenient as other reviewers describe them, and you don't have to do anything to keep this watch working accurately. I just grab it and put it on my wrist in the morning! Even though it's casual, it can be worn for work as well as recreation. Of course, this is G-Shock, so you don't have to worry about doing damage to it at all, while washing your hands, taking a nap, and even playing sports in the rain!

    Personally, I like analog watches better than digital ones because you can quickly see the time in stead of having to picture the clock face in your head. But it's convenient to have digital display, too, to view the exact minutes and seconds. This watch is basically analog, but has digital display, as well, so you can enjoy the best of both worlds! Just a note, this watch doesn't have second hand (but you can see seconds on the digital display), and the minute hand moves every twenty seconds. It's kinda fun to watch.

    The only change that I would make is to have the whole face illuminated, including digital display. The LED light only lights up the analog portion of the watch from the bottom of the watch face, and you cannot see the digital display in the dark (You can see the analog portion clearly without any trouble). So you shouldn't expect to set the alarm in the dark.

    But over all, I'm quite satisfied with this watch and would recommend it to anyone looking for a tough, reliable, and good looking timepiece.
    3 Comments 123 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Verified Purchase
    The Casio Men's AWG100-1A G-Shock Multi-Band Solar Atomic Analog Watch arrived on time, exactly as predicted by Amazon. The box was in perfect condition. My wife watched me open the box, at the kitchen table, and low and behold, the instant the kitchen light hit the face of the watch, the hour hand started to move. It moved to a different time zone than Los Angles,my home town; in fact it moved to a town in the central time zone, somewhere in Minnesota, 2 hours later than Los Angeles. According to the date, it have been in the box at least 2 months and in that time it was exactly 8 seconds slow, amazing! I checked the battery charge by pressing button C, the reading was HI. As a side note: the owners manual is 3 1/4" by 2" high and 76 pages thick. The print is about 5 or 6 points,very small. So, on Google, I typed "casio, module No 4765" and pressed enter. Up came an address for the module, clicked on it and I was able to download the module in PDF format. The whole 76 page miniature manual prints out in 6 pages, 8 1/2 x 11. Took it to Fed Ex Ginko and had the 6 pages enlarged to 11 x 17 inches and very readable. (approx $2.50) Anyway, I took my time and read the whole 6 pages. and then followed the recommendation to set the home town FIRST! Then, as an octogenarian,(86), I sat outside in the sun for 8 minutes with the watch looking at the sun, because the manual said that 8 minutes of sun would translate into 7 months of battery life. Casio keeps stressing to expose the watch to light as much as practical. I find it easy when driving in LA to hold my left wrist facing the sun whenever it is shining in the car.

    Now about getting the nightly Ft Collins Colorado time hack.
    Read more ›
    7 Comments 52 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Verified Purchase
    I was trying to decide between this one and the AWG101. Biggest difference I could see were the bezels and color, not worth the extra $20.00 or so. This watch is really nice looking, very light yet solidly built. I pretty much do not take it off. One of the best features is the solar re-charging. I do not know how many Ironman's or other sport watches I have ruined by replacing the battery and breaking the seal. Kind of freaky when I first took this watch out of the box and it started to set itself, then stopped at the exact time!! COOL. A little bulky, but not huge. The light is fine, it does what it is supposed to do and is a cool orange. Great watch and highly recommended!
    Comment 47 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Verified Purchase
    This watch is beautiful and has a classy look to it. It has everything, solar-powered battery, self-adjusting atomic time, waterproof, alarm, hourly chime, stopwatch and timer. It does look better than on the online pictures because it is discreet-looking and the black of the band blends nicely with the grey (a little lighter grey than on the pictures) of the face, and the metal ring. I think it's a sporty watch that goes perfectly with business-casual clothes. It's big, but still looks good because of the combination of dark colors. The hands are actually white, which makes it very easy to tell the time even in somewhat dark conditions. The tip of the hands, along with the tick marks of the hours on the dial glow in the dark.

    I gave this product a 4-star rating because of some of the downsides of this watch. The light does not allow reading the digital displays, and the round digital displays are small when looking at the date, the secondary time (from another city), the timer and the stopwatch (imagine 4 digits cramped in the left-hand round digital display). It is fine when the display on the left shows the day of the week (first three letters show). The display on the right always shows the seconds (or 1/100 second with the stopwatch) with big enough numbers. I would have gladly given this watch 5 stars if it had not been for these little inconveniences. Since I wear my watch very casually, not for sports, I try to look for reasonably-priced watches with character and unusual features. This one is perfect and elegant in all social situations, as well as FULLY customizable: date, time (12 or 24H) or day in the left-hand round display,(alarm on/off), hourly chime ON/OFF, atomic auto-setting of the watch ON/OFF, Power saving function ON/OFF, even the beep made when you press the Mode button can be turned off. A great timepiece.
    Comment 30 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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