Men's 100M waterproof multifunction luminous display sport wrist watch /silver Watch band material: rubber, length: 22.5cm, width: 2cm. Clasp: buckle Movement: electronic. Dial Diameter: 45mm. Dial thickness:15mm Water resistant depth: 100m (do not press button under water.) Features: week, date, back light, alarm clock, stop watch, 12H/24H time format