Casio G-Shock AWGM100-1ACR Atomic Solar Watch

Priced: $149.95 Rated:   - 5 stars out of 5 by 4 reviews.
Casio G-Shock AWGM100-1ACR Atomic Solar Watch
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Color: Black / Silver
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Casio G-Shock AWGM100-1ACR Atomic Solar Watch -

The Casio G-Shock AWGM100-1ACR Atomic Solar watch will be an instant classic at the gym, in the office or on outdoor adventures. Accurate atomic time and solar power make this a timekeeping workhorse.



  • Analog/digital display shows 12- or 24-hr. time along with the day and date
  • Easy hand adjustment lets you shift the luminous analog hands out of the way of the digital window for easier viewing
  • The Casio G-Shock AWGM100-1ACR Atomic Solar watch is water resistant to 200m (660 ft.)
  • Auto EL backlight with afterglow lets you see the display in the dark
  • Multi-band atomic timekeeping function receives 6 radio signals a day to calibrate the time; it can be set to receive signals manually or atomically
  • 1/100-second stopwatch measures elapsed time, split time and 1st- and 2nd-place times
  • Tough solar power technology eliminates the need to ever change a battery; built-in solar panel converts sunlight and fluorescent light into energy
  • Features 5 daily alarms, snooze, hourly chime, countdown timer, world time and auto calendar (pre-programmed to 2099)
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Review RatingNumber of Reviews
Analog or Digital:Both
Countdown timer:Yes
Date display:Yes
Face diameter:1.125 inches
Lap timer:Yes
Multiple time zones:Yes
Watch band material:Resin
Water-resistant depth:200 meters

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Casio G-Shock AWGM100-1ACR Atomic Solar Watch Reviews:


Good Watch. Still looking though...

Let me start by saying this is a very nice watch. I like it immensely. The analog/digital readout is nice. The solar aspect means no battery changes. Once I got it I set it in the sun for a few hours and it's shown as fully charged ever since (over 1 month on my wrist). It's atomic, meaning is syncs with the atomic clock in Denver, CO every night at midnight, so I don't ever need to set the time. It's quite durable and seems waterproof, so far.

Here are the only things that I'm having a problem with. The back-light and the luminosity (is that a word?) of the analog hands and the lines representing the numbers of the face of the clock.

This watch is nearly impossible to read at night. The luminous capacity of the hands and "numbers" is very very low. Unless you've just come out of a very bright room into total darkness, you can barely see it. So, in the middle of the night when you wake up and check the time the only thing I can make out is the double line "||" that represents the 12 o'clock position.

Next is the back-light. It's actually kind of cool how it lights it up, it looks like it's illuminating some fancy architecture... but the light does not come from behind the face, it comes from the 6 o'clock position. The analog hands are white, for the minute hand, and red for the hour hand. I can always see the minute hand but the red hand is basically invisible in the amber/yellow back light. Now this would be fine, perhaps, if you were able to read the digital readout with this back light, but it actually makes it harder to do so.

I'm still looking for the watch that fills all my needs within this price range and until I do, I'll keep this one. However, as soon as the perfect one comes along, I will most likely be returning this one.
Newt at REI on 11/11/2012

Solid, reliable watch

Wear constantly in outdoor work environment and it functions well. It is very reliable and hardy. Would be better if hour hand was not red but same color as minute hand. In dim light very difficult to see hour hand. Data in date window is skewed toward 3 o'clock position and is difficult to read date. Data should be centered in the window. However I would purchase it again.
Delbert at REI on 06/06/2013

Love this watch

This watch is constructed better than a similar watch I had previously. Receive operation seems to work every night even though I wear it to bed and presumably move at times during the process. To appreciate the product, you need to value having one that is accurate to within seconds all the time.
JimO38 at REI on 08/08/2013

Great watch

I had tried numerous watches while golfing and none were up to the test except this watch and I golf 27 holes a day 5-6 days a week. At first was hesitant about he hour hands but no problem. Very stylish. Highly recommend
Docsigmund at REI on 07/07/2013