G-Shock/Casio MDV-106B-1A1V Details Case Size (L x W x H): 49.5 × 46.3 × 12.1 mm Weight: 92g 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: ±15 seconds per month Other Features: Regular Timekeeping - Analog: 3 Hands (hour, minute, second), Date Display