Casio G-Shock GF-8235D-1B / GF8235D-1B

Case / bezel material: Stainless steel / Resin
Resin Band
Mineral Glass
Shock Resistant
Screw Lock Back
ISO 200 meters Water Resistance
Electro-luminescent backlight
Full auto EL light, afterglow
Solar powered
World time
31 time zones (48 cities coordinated universal time), daylight saving on/off
Moon data (moon age of the specific date, moon phase graph)
Tide graph (tide level for specific date and time)
Dive time and surface interval measurement function
Dive time: 1 second increments, up to 23:59'59
Surface interval: 1 minute increments, up to 47:59'59
Memory capacity: One set of data (dive start date and time, dive time)
1/100-second stopwatch
Measuring capacity: 23:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
5 daily alarms (with 1 snooze alarm)
Hourly time signal
Battery power indicator
Power Saving (display goes blank to save power when the watch is left in the dark)
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping: Hour, minute, second, pm, month, date, day
Accuracy: �15 seconds per month
Approx. battery operating time:
10 months on rechargeable battery (operation period with normal use without exposure to light after charge)
27 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
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Size of case / Total weight
Size of case : 52�50.3�18mm
Total weight : 112g