In homage to the brands evolution throughout time commemorating the 40th Anniversary of G-SHOCK they have released a selection of signature revivals in solid black. - 55 × 51.2 × 16.9mm Case Size - 81g Weight - Bio-based Resin Case and Bezel - Bio-based Resin Band - Shock Resistant - Magnetic 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 - LED light - Calendar: Full auto-calendar (to year 2099) - Accuracy: ±15 seconds per month Other features - 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