Tokyo Flash Quartz Black-ion-Plated-Stainless-Steel Casual Watch, Color:Black (Model: TOKYOFLASH-Futura/MU) Quartz movement Mineral crystal Case diameter: 26 mm Black-stainless-steel case; mirror-with-digital-display dial Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion