Case / bezel material: Resin / chrome plated Stainless Steel Band Adjustable Clasp Resin Glass Water Resistant Dual time 1/100-second stopwatchMeasuring capacity: 59'59.99"Measuring mode: Elapsed time Daily alarm Hourly time signal Auto-calendar (28 days for February) 12/24-hour format Regular timekeepingAnalog: 2 hands (Hour, minute)Digital: Hour, minutes, seconds, pm, month, date, day Accuracy: ±30 seconds per month Approx. battery life: 3 years on SR920W Size of case : 38.8×29.8×8.1mm Total weight : 47g