Casio MDV-106-1AV Details Case Size (L x W x H): 48.5 × 44.2 × 12.1 mm Weight: 92 g Case and Bezel Material: Stainless steel / Aluminum, Anti-reverse Bezel Band: Resin Band Water Resistance: 200-meter water resistance Power Supply and Battery Life: Approx. battery life: 3 years on SR626SW Exterior Glass: Mineral Glass Crown: Screw Lock Crown Back Plate: Screw Lock Back Watch Features Accuracy: Accuracy: ±20 seconds per month Other Features: Regular timekeeping: Analog: 3 hands (hour, minute, second), Date display