This digital watch features a plastic case and will make a perfect everyday accessory. This watch is worn with a black rubber strap and buckle clasp, while a reliable quartz movment completes the design. Case: Plastic Caseback: Screw-down Dial: Digital Hands: None Calendar: Date Strap/Bracelet: Black rubber Clasp: Buckle Crystal: Mineral Crown: Push/pull Movement: Quartz Water resistance: 30 meters / 100 feet / 3 ATM Case measurements: 42 mm wide x 13 mm thick Strap/Bracelet measurements: 25 mm wide x 8.5 inches long Model: SS018518000 View our Watch Sizing Guide here: . All measurements are approximate and may vary slightly from the listed dimensions. Men's watch bands can be sized to fit 7.5-inch to 8.5-inch wrists.