A bold piece, this G Shock GA100CF-1A Men’s Watch embodies the true characteristics of G-Shock. The all-black finish is perfect for those who want something understated and versatile, however, the dial features meticulous details that give a mechanic feel to the piece. Complete with both an analogue clock and a digital display, this watch features all the functions that you could need to get through your day. With a 200 meters water resistance and the toughness of G-Shock, you can go through any adventure with this piece. - 55 × 51.2 × 16.9mm Case Size - 71g Weight - Resin Band, Bezel and Case - Magnetic Resistant - Shock Resistant - 200 Meters Water Resistant - Approx. battery life: 2 years on CR1220 - Mineral Glass - World time: 29 time zones (48 cities coordinated universal time), daylight saving on/off, home city/world time city swapping - Stopwatch - Timer - Alarm/hourly time signal: 5 daily alarms (with 1 snooze alarm) - LED light: Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow - Calendar: Full auto-calendar (to year 2099) - Accuracy: ±15 seconds per month - 12/24-hour format - Regular timekeeping: *Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed) *Digital: Hour, minute, second, pm, month, date, day