Case / bezel material: Resin - Adjustable Clasp - Stainless Steel Band - Resin Glass - Gold ion plated band - Water Resistant - LED backlight - 1/10-second stopwatch - Measuring capacity: 59'59.9'' - Measuring modes: Elapsed time - Daily alarm - Hourly time signal - Auto-calendar (28 days for February) - 12/24-hour format - Regular timekeeping: Hour, minute, second, pm, month, date, day - Accuracy: ±30 seconds per month - Approx. battery life: 3 years on CR1616 - Size of case : 40.7×32.7×9.2mm - Total weight : 53g