Mineral Glass 50-meter water resistance Case / bezel:Ion plated Genuine Leather Band Regular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (date, day, 24-hour) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR927SW Size of case: 48.5 × 42 × 9.7 mm Total weight: 67 g