A model equipped with a high-brightness LED backlight from G-SHOCK, which continues to evolve in the pursuit of toughness. Use of a high-brightness LED system and a light guide plate makes the watch easy to read even in the dark. It also has practical functions such as world time, an alarm, and a stopwatch. The color is classic G-SHOCK black, and the brand-color red is used as an accent throughout. Details Case Size (L x W x H): 55 × 51.2 × 17.4 mm Weight: 72g Case and Bezel Material: Resin Band: Resin Band Construction: Shock Resistant Water Resistance: 200-meter water resistance Power Supply and Battery Life: Approx. battery life: 7 years on CR2025 Exterior Glass: Mineral Glass Features World Time: Multi Time (4 different cities), World time, 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping Stopwatch: 1/100-second stopwatch, Measuring capacity: 23:59'59.99'', Measuring modes: Elapsed time, split time, 1st-2nd place times Timer: Countdown timer, Measuring unit: 1/10 second, Input range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) Alarm/Hourly Time Signal: 5 alarms (daily or one-time), Hourly time signal Flash Alert Feature: Flash alert, Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time up alarm Light: LED backlight, Auto light switch, selectable illumination duration, afterglow. Light Colour: 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, Regular timekeeping: Hour, minute, second, pm, month, date, day