Product Description Specifications High accuracy Japanese analogue quartz movement , Shower Proof Construction, Battery Type 1 x button cell, Battery Life over 1 year, One year manufacturing guarantee. Material: Alloy watch case, Silicone rubber housing with pin-on construction. Product Size: 41 x 13 x 86 mm Branding Area: Silicone: 28 x 4 mm, 7 x 20 mm, Watch face: 14 x 5 mm, 13.5 mm (dia.) Standard Packaging: PSL Design PVC Box Features: Waterproof Material: Silicone Material: PVC