Case / bezel material: Resin Adjustable Clasp Stainless Steel Band Mineral Glass Gold ion plated band Gold ion plated case Water Resistant LED backlight 1/100-second stopwatch Measuring capacity: 59'59.99'' Measuring modes: Split time, 1st-2nd place times Daily alarmourly time signal Auto-calendar (set at 28Xys for February) 12X-hour format Regular time keeping: Hour, minute, second, pm, date, day Accuracy: 30 seconds per month ApproX battery life: 3 years on CR16X