ÇïÓ? Delivering 100-meter water resistance and a 10-year battery, these digital watches feature a metal bezel in an angular eye-catching design. The oversized, easy-to-read, easy-to-use watch face is framed in the solid bold look of stainless steel. ÇïÓ? The front button at the 6 o�÷??clock position makes it easy to access the LED light. Packed with more handy functions that include stopwatch, countdown timer, alarm, and dual time display. ÇïÓ? Case / bezel material: Resin / Stainless steel Resin Band Resin Glass Black ion plated bezel 100-meter water resistance LED backlight Afterglow LED:Amber Dual time 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring mode: Elapsed time, split time, 1st-2nd place times Others: Target time alarm, auto start Countdown timer Measuring unit: 1/10 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) Others: Auto-repeat, progress beeper on/off Daily alarm Hourly time signal Full auto-calendar (to year 2099) 12/24-hour format Regular timekeeping: Hour, minute, second, pm, month, date, day Accuracy: Çï¶Ï30 seconds per month Approx. battery life: 10 years on CR2025 Size of case : 50.8 ƒ?ª? 47.2 ƒ?ª? 12.3 mm Total weight : 50 g