The G-Shock GM2100CB-1A CasiOak Utility is a rugged and stylish watch that is perfect for any occasion. The watch features a black-tone stainless steel case and a black mesh strap with red accents on the dial. The watch is water resistant up to 200 metres and shock resistant, perfect for everyday wear. The GM2100CB-1A also features various useful timekeeping features, including a stopwatch, timer, alarm, and world time. The G-Shock GM2100CB-1A is a great choice for anyone looking for a durable and stylish watch that can handle anything you throw at it. - 49.3 × 44.4 × 11.8mm Case Size - 72g Weight - Resin/Stainless steel Case and Bezel - Cloth Band - Shock Resistant - 200 Meters Water Resistant - Approx. battery life: 3 years on SR726W X 2 - Mineral Glass - World time: 31 time zones (48 cities + coordinated universal time), daylight saving on/off - Stopwatch - Timer - Alarm/hourly time signal - Double LED light - Calendar: Full auto-calendar (to year 2099) - Mute feature: Button operation tone on/off - Accuracy: ±15 seconds per month - 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)), 1 dial (day) *Digital: Hour, minute, second, pm, month, date