Rip Curl Mens Pivot Watch - Silver / One Size Fits All Jewelled Movements - Synthetic ruby's which serve as bearings for gears in watches. This reduces torque and friction allowing your watch to run more accurately for longer Depth Tested To 100m Abs Case - A tough lightweight plastic with a high impact strength. Used in case and strap construction Polyurethane Band - Repels water, withstands dramatic temperature changes and is highly tear resistant