Designed with a slimmer and more compact design this G-SHOCK model GMAS120RB-1A is the midsize version of the iconic analog-digital GMAS120. The black and deep red colour scheme, with a glossy metallic finish gives the watch a touch of sophistication. - 49 × 45.9 × 15.8mm Case Size - Resin Case and Bezel - Resin band - Mineral Glass - Shock Resistant - Magnetic Resistant - 200 Meters Water Resistant - LED light Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow - LED: Amber - World time: 29 time zones (48 cities coordinated universal time), daylight saving on/off, home city/world time city swapping) - Stopwatch - Countdown Timer - Alarm: 5 daily alarms (with 1 snooze alarm) - Mute feature: Button operation tone on/off - 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 - Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) - Approx. battery life: 3 years on CR1220