Triple-fold Clasp, Stainless Steel Band , 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 Close Size of case : 51.9×47×12mm, Total weight : 95g #959,449 in Clothing, Shoes & Jewelry ( ) #5,944 in