Casio G-Shock Frogman Tough Solar Diver's Watch GF-1000-1DR GF-1000-1 GF1000

Specifications :
Case / bezel material: Stainless steel / Resin
Resin Band
ISO 200 meters Water Resistance
Mineral Glass
Shock Resistant
Screw Lock Back
Electro-luminescent backlight
Full auto EL light, selectable illumination duration, afterglow
Solar powered
World time
31 time zones (48 cities + coordinated universal time), city code display, 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 time, dive start time, dive date)
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
Input range: 1 minutes to 24 hours (1-minute increments and 1-hour increments)
Daily alarms
5 independent daily alarms (4 one-time alarms and 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)
Size of case/total weight: 58.3 X 52.8 X 18 mm/115 g
EL:Blue Green