Simplicity defined — a streamlined digital watch with large display to clearly show the time at a glance. Comes equipped with 100-meter water resistance, a 10-year battery, LED backlight, and other handy functions. SPECIFICATIONS Case size (L× W× H) 44.2 × 36.8 × 13.4 mm Weight 91 g Case and bezel material Resin Band Stainless Steel Band Triple-fold Clasp Water resistance 100-meter water resistance Power supply and battery life Approx. battery life: 10 years on CR2025 Country Of Origin China Glass Resin Glass Compatible band size 150 to 205 mm World time Dual time Stopwatch 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring mode: split time Alarm/hourly time signal Hourly time signal Multi-function alarm (with 1 snooze alarm) Light LED backlight Afterglow Light color LED:Green Calendar Full auto-calendar (to year 2099) Accuracy Accuracy: ±30 seconds per month Other features 12/24-hour format Regular timekeeping: Hour, minute, second, pm, year, month, date, day