Tissot Men's Quartz Stainless Steel Casual Watch, Color:Grey (Model: T1014171107100) Tissot, the innovators by tradition, have been pioneering craftsmanship and innovation since its foundation in 1853 Case: brushed and polished stainless steel case back: stainless steel, screw-in bezel: polished stainless steel Quartz Movement Case Diameter: 41mm Water resistant to 100m (330ft): in general, suitable for swimming and snorkeling, but not diving