Water resistant Popular retro design Alarm Specifications Case / bezel material: Resin / Chrome plated Adjustable Clasp Stainless Steel Band Resin Glass Water Resistant 1/10-second stopwatch Measuring capacity: 59'59.9'' Measuring mode: Elapsed time Countdown timer Countdown range: 30 minutes Preset countdown start times: 1, 3, 5, 10, 15, 20, 30 minutes Daily alarm Hourly time signal Auto-calendar (set at 28 days for February) Regular timekeeping: Hour, minute, second, pm, month, date, day Accuracy: ±30 seconds per month Approx. battery life: 2 years on CR1216 Size of case / Total weight Size of case : 30.3×24.6×7.3mm Total weight : 26g