With a totally cool large-case G-SHOCK in black with a 10-year battery you won’t have to worry about for ages. The analog-digital GA-010 offer handy features like world time and stopwatch, with a large, easy to read display and large case. The front button makes it simple to access the high-brightness LED light so you can easily read the dial, even in the dark. Made with bio-based resin and equipped with a 10-year battery, this G-SHOCK is designed to be good for the environment — and good for fashion. These black design move with ease from casual styling to work setting. Case size (L× W× H) 55.1 × 51.9 × 17.5 mm Weight 67 g Case and bezel material Bio-based Carbon / Bio-based resin Band Bio-based resin band Construction Shock Resistant Carbon Core Guard structure Water resistance 200-meter water resistance Power supply and battery life Approx. battery life: 10 years on CR2025 Glass Mineral Glass Compatible band size 145 to 215 mm Other Neobrite World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping, One-touch UTC Time Zone Access Stopwatch 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Others: target time alarm, direct timing start from the timekeeping mode Timer Countdown timer Measuring unit: 1/10 second Countdown range: 60 minutes Countdown start time setting range: 1 to 60 minutes (1-minute increments) Alarm/hourly time signal 5 daily alarms (with 1 snooze alarm) Hourly time signal Light LED light (Super Illuminator) Selectable illumination duration (1.5 seconds or 3 seconds), afterglow Light color LED:White Calendar Full auto-calendar (to year 2099) Mute feature Button operation tone on/off Accuracy Accuracy: ±15 seconds per month Other features 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 (hands move every 20 seconds)) Digital: Hour, minute, second, pm, month, date, day