Product Description Case/Bezel: Ion-plated stainless steel bracelet with triple-folding clasp Water-resistant design Power supply supplied Battery life approx: 3 years on SR626SW Mineral glass Compatible bracelet size - 150 to 205 mm Accuracy: ± 20 seconds per month Regular timekeeping - 3 hands (hour, minute, second), date display, case size (L x W x H) - 48 x 41 x 9.6 mm. Weight - 106 grams.