SPECIFICATIONS: 1/100-second stopwatch Alarm LED illuminator Water resistant Stainless steel band Popular retro design Resin Glass Water Resistant Case / bezel material: Resin Stainless Steel Band Adjustable Buckle LED light 1/100-second stopwatch Measuring capacity: 59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times Daily alarm Hourly time signal Auto-calendar (28 days for February) 12/24-hour format Regular timekeeping: Hour, minute, second, pm, date, day Accuracy: ±30 seconds per month Approx. battery life: 5 years on CR1616 Size of case: 33.5 X 28.6 X 8.6 mm Total weight: 36 g LED:Umber