G-Shock/Casio GS-GA700UC8A Details Case Size (L x W x H): 57.5 × 53.4 × 18.4 mm Weight: 69 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: 5 years on CR2016 Exterior Glass: Mineral Glass Watch Features World Time: 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, Others: target time alarm, direct timing start from the timekeeping mode Timer: Countdown timer, Measuring unit: 1/10 second, Countdown range: 60 minutes, Countdown start time setting range: 1 to 60 minutes (1-minute increments) 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 Colour: 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, Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.), Regular timekeeping - Analog: 2 hands (hour, minute (hand moves every 20 seconds)) Digital: Hour, minute, second, pm, month, date, day