G-Shock/Casio MQ-24-1E Details Case Size (L x W x H): 38.8 × 34.9 × 7.8 mm Weight: 20 g Case and Bezel Material: Resin Band: Resin Band Water Resistance: Water Resistant Power Supply and Battery Life: Approx. battery life: 3 years on SR626SW Exterior Glass: Resin Glass Compatible Band Size: 145 to 205 mm Watch Features Accuracy: Accuracy: ±20 seconds per month Other Features: Regular timekeeping: Analog: 3 hands (hour, minute, second)