G-SHOCK announces a new lineup of heavy-duty models that are great for wear in tough environments and as street fashion items as well.
The industrial design motif of these models is created by a 10-sided bezel that resembles the shape of a nut. The bezel is secured by four screws for a tough and rugged look. Combination timekeeping is provided by analog hands along with a digital display for the ultimate in operational ease. The design of the hands and the graphic figures that appear in the digital readouts create a powerful face design that enhances readability.
The band connection and all buttons have checkered surfaces that prevent slipping and contribute to operational efficiency. The GA-900-4a model comes with a red resin band with black and red accents.
Case / bezel material: Resin
200-meter water resistance
LED light (Super Illuminator)
Selectable illumination duration (1.5 seconds or 3 seconds), afterglow
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping, One-touch UTC Time Zone Access
Measuring capacity: 23:59'59.99"
Measuring modes: Elapsed time, split time, 1st-2nd place times
Others: target time alarm, direct timing start from the timekeeping mode
Measuring unit: 1/10 second
Countdown range: 60 minutes
Countdown start time setting range: 1 to 60 minutes (1-minute increments)
5 daily alarms (with 1 snooze alarm)
Hourly time signal
Full auto-calendar (to year 2099)
Button operation tone on/off
Regular timekeeping: Hour, minute, second, pm, month, date, day
Accuracy: ±15 seconds per month
Approx. battery life: 7 years on CR2016
Size of case : 52.8×49.5×16.9mm
Total weight : 65g
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Note: Per Casio's policy, Casio and G-Shock watches are not eligible for International Shipping. Any international order containing a Casio or G-Shock watch will be cancelled and all monies refunded.
We could all use some extra time. If your new, unworn item is not 100% to your satisfaction, you have 30 days from the original ship date to return it. To be eligible for a return, your item must be unused, unworn and in the same condition that you received it. It must also be in the original packaging. More details can be found on our Returns page. **Unfortunately Mystery watches and Vestal sales are final and not eligible for return.