G-SHOCK GD-400-1B2 Digital Black Resin Band Men's Watch GD-400-1B2

Case size (L× W× H) 55 × 49.7 × 16.9 mm Weight 78 g Case and bezel material Resin Band Resin Band Construction Shock Resistant Water resistance 200-meter water resistance Power supply and battery life Approx. battery life: 3 years on CR2016 Exterior Glass Mineral Glass Watch Features World time Multi Time (4 different cities) World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping Stopwatch 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Timer Countdown timer Measuring unit: 1/10 second Countdown range: 24 hours Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments, and 1-hour increments) Alarm/hourly time signal Alarms 5 independent alarms (one-time or daily) Hourly time signal Flash alert feature Flash alert Flashes with buzzer that sounds for alarms, countdown timer (time up), hourly time signal Light LED backlight (Super Illuminator) Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow Light color LED: White Calendar Full auto-calendar (to year 2099) Mute feature Button operation tone on/off Accuracy Accuracy: ±15 seconds per month Other features 12/24-hour format Regular timekeeping: Hour, minute, second, pm, month, date, day