LENS MATERIAL: Power Glass, BEZEL MATERIAL: Fibre-reinforced polymer, CASE MATERIAL: Fibre-reinforced polymer, QUICKFIT WATCH BAND COMPATIBLE: Yes (22 mm), STRAP MATERIAL: Silicone, DISPLAY RESOLUTION: 176 x 176 pixels, WEIGHT: 53 g, WATER RATING: 10 ATM, MEMORY/HISTORY: 32 MB, Warranty: 01 Year Limited Warranty. This rugged, solar charging GPS smartwatch has everything you need for fun on the water. Now it comes in two sizes to fit every wrist.