Enjoy a life of fewer battery changes with a large-case G-SHOCK with a 10-year battery you won’t have to worry about for ages. The analog-digital GA-010 delivers handy features like world time and stopwatch, as well as a high-brightness LED light, which can be easily accessed from the large button on front of the case, ensuring visibility even in the dark. Made with bio-based resin and equipped with a 10-year battery, this G-SHOCK is great if you want to reduce environmental impact. Details Case Size (L x W x 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 Country of Origin: Thailand Exterior Glass: Mineral Glass Compatible Band Size: 145 to 215 mm Other: Neobrite Watch Features World Time: 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 Colour: LED White Calendar: Full auto-calendar (to year 2099) Mute Features: 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