Approx. battery life: 2 years on CR1220
Size of case : 49×45.9×15.8mm
Total weight : 56g
Case / bezel material: Resin
200-meter water resistance
G SHOCK |Resing Case, Bezel and Band, Magnetic Resistant, Shock Resistant, Mineral Glass, 200-meter water resistance, LED light
Auto light switch, selectable illumination duration, afterglow, Thermometer
Display range: –10 to 60°C (14 to 140°F)
Display unit: 0.1°C (0.2°F), World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping, Moon data (moon age of the specific date, moon phase graph), 1/100-second stopwatch
Measuring capacity: 999:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times, 5 daily alarms (with 1 snooze alarm), Full auto-calendar (to year 2099), Approx. battery life: 3 years on SR927W × 2.
CASIO G-Shock | 1/1000 Second Stopwatch
Measuring Elapsed Time, Split Time, 1st & 2nd Place Times. 200M Water Resistant. Magnetic Resistant. Super Illuminator LED Light with Afterglow (selectable illumination duration 1.5 or 3 seconds). 31 times zones (48 cities + UTC), daylight saving on/off, home city/world time swapping4 Daily Alarms and 1 Snooze Alarm.