G-SHOCK MASTER OF G FROGMAN GW-8230NT-4DR

Tough Solar (Solar powered)

Mineral Glass

Screw Lock Back

Black ion plated case

150 to 220 mm

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 10 data (dive start date and time, dive time)

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)

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)

5 daily alarms (with 1 snooze alarm)

Hourly time signal

LED backlight (Super Illuminator) Full auto LED light, selectable illumination duration (1.5 seconds or 3 seconds), afterglow

LED:White

Full auto-calendar (to year 2099)

Button operation tone on/off

Power Saving (Turns off the display when the watch is left in the dark)

Battery power indicator

Approx. battery operating time: 14 months on rechargeable battery (operation period with normal use without exposure to light after charge) 36 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

Accuracy: ±15 seconds per month

12/24-hour format

Regular timekeeping: Hour, minute, second, pm, month, date, day

52 × 50.3 × 18 mm

84 g