"The best-selling MQ-24 is back in colorful translucent designs! Case size (L× W× H) icon-question 38.8 × 34.9 × 7.8 mm Weight icon-question 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)These watches feature a metallic case, sunburst-finish dial and band that come together in harmonized monochromatic color schemes. A simple design with basic hour, minute and second hands, water resistance for daily use and a lightweight, comfortable fit for an easy, breezy timepiece."