Case / bezel material: Stainless steel One-touch 3-fold Clasp Stainless Steel Mineral Glass Water Resistant Dual time 1/100-second stopwatch Measuring capacity: 59'59.99 Measuring mode: Elapsed time Daily alarm Hourly time signal Auto-calendar (28 days for February) 12/24-hour format Regular timekeeping Analog: 2 hands (Hour, minute) Digital: Hour, minutes, seconds, pm, month, date, day AccuracY: 30 seconds per month Approx. battery life: 3 years on SR920W