An ever-popular classic that carries on the very first G-SHOCK design. The original color scheme is faithfully reproduced with touches of G-SHOCK red, representing the passion to take on challenges; blue, symbolizing excellent water resistance; and yellow, signifying outstanding shock resistance. Details Case Size (L x W x H): 48.9 × 42.8 × 13.4 mm Weight: 52 g Case and Bezel Material: Resin / Bio-based resin Band: Bio-based resin band Construction: Shock Resistant Water Resistance: 200-meter water resistance Power Supply and Battery Life: Approx. battery life: 5 years on CR2016 Country of Origin: Thailand Exterior Glass: Mineral Glass Compatible Band Size: 145 to 205 mm Watch Features Stopwatch: 1/100-second stopwatch, Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes), Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes), Measuring modes: Elapsed time, split time, 1st-2nd place times Timer: Countdown timer, Measuring unit: 1 second, Countdown range: 24 hours, Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments), Other - Auto-repeat Alarm / Hourly Time Signal: Hourly time signal, Multi-function alarm Flash Alert Feature: Flash alert, Flashes with buzzer that sounds for alarms, hourly time signals, countdown timer time up alarm Light: LED backlight (Super Illuminator), Afterglow Light Colour: LED White Calendar: Full auto-calendar (to year 2099) Accuracy: Accuracy: ±15 seconds per month Other Features: 12/24-hour format, Regular timekeeping - Hour, minute, second, pm, month, date, day