Sunny Future Multifunction Water-Proof Sport Digital Watch with Alarm Stopwatch for Boys and Girls /Blue Watch band material: rubber, length: 20cm, width: 1.5cm. Dial Diameter: 35mm. Dial thickness:12mm Display type: digital. Clasp: buckle Features: week, date, back light, alarm clock, stop watch, 12H/24H time format Water resistant depth: 3ATM (do not press button under water.) Exquisite packaging box