The G-Shock GA100-1A2 Black and Blue Watch is a testament to G-Shock's legacy of bold design and unparalleled durability. Living up to G-Shock’s reputation for big case designs, this "three-eyed" monster measures in at a whopping 55 x 51.2 x 16.9mm size. Large anti-skid buttons provide easy operation, embossed indexes give a 3-D look, and a rivet bezel design adds strength to its overall appearance. Crafted with a resilient resin case, band, and bezel, it's built to withstand shocks and magnetic forces while offering water resistance up to 200 meters. Powered by a CR1220 battery, it ensures approximately 2 years of reliable use. The watch features mineral glass for scratch resistance and world time functionality covering 29 time zones and 48 cities, alongside essential features like stopwatch, timer, and 5 daily alarms with a snooze option. Its LED light with selectable illumination duration ensures visibility in low-light conditions. The full auto-calendar extends to 2099, with accuracy guaranteed at ±15 seconds per month. Enjoy versatile timekeeping with both analogue and digital displays, available in 12 and 24-hour formats. Embrace style and functionality with the G-Shock GA100-1A2 Black and Blue Watch. - 55 × 51.2 × 16.9mm Case Size - 70g Weight - Resin Case, Band and Bezel - 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: 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