Mineral Glass Water Resistant Case / bezel: Ion plated Stainless Steel Band One-touch 3-fold Buckle Date, display Regular timekeeping Analog: 3 hands (hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 2 years on SR626SW Size of case/total weight: 42 X 38.5 X 8.7 mm 87 g