Case and bezel material Case / bezel material: Resin Band Resin Band Construction Shock Resistant Water resistance 100-meter water resistance Power supply and battery life Approx. battery life: 3 years on CR1220 Net Quantity 1 piece Indian Product Code B230 Exterior Glass Mineral Glass Compatible band size 125 to 180 mm Other Neobrite Watch Features World time World time 29 time zones (27 cities + coordinated greenwich mean time), daylight saving on/off Stopwatch 1-second stopwatch Measuring capacity: 59'59 Measuring modes: Elapsed time, split time, 1st-2nd place times Timer Countdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 to 60 minutes (1-minute increments) Others: Auto-repeat, time up alarm Alarm/hourly time signal 5 daily alarms (with 1 snooze alarm) Hourly time signal Light LED light (Super Illuminator) Selectable illumination duration (1.5 seconds or 3 seconds), afterglow Light color LED:White Calendar Full auto-calendar (to year 2039) Accuracy Accuracy: ±30 seconds per month Case size (L× W× H) 47.4 × 43.4 × 14.8 mm Weight 42 g