Quiksilver Men's Quartz Stainless Steel and Polyurethane Casual Watch, Color:Black (Model: QWMA019-LIM) Japanese movement Case diameter: 45mm Reinforced mineral crystal Marine grade solid stainless steel screw down caseback and screw down crown Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion