Marvin Men's 'DN8' Automatic Stainless Steel and Leather Watch, Color:Black (Model: M103.14.43.64) Swiss automatic ETA Valjoux 7750 movement Case diameter: 44 mm Sapphire crystal Stainless steel case, black leather strap, black chronograph dial, date window Water resistant to 165 feet (50 M): suitable for swimming and showering