Roberto Bianci Men's Swiss Quartz Stainless Steel and Alligator Dress Watch(Model: D003DIA_WHTSIL_BLBND) Precise Swiss-quartz movement Mineral crystal Case diameter: 36 mm Stainless-steel case; white and silver dial; date function Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion