product specification Features Water resistant date display His-and her pairs Specifications LeatherBand Mineral Glass Water Resistant date display Regular timekeeping 3 hands (hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR626SW Size of case / Total weight Size of case: 47 x 41.5 x 8.3 mm Total weight: 51 g