red line Men's 'GTO' Quartz Stainless Steel and Silicone Watch, Color:Black (Model: RL-308C-01) 48mm Case Diameter Chronograph Functions with 60 Second, 30 Minute and 12 Hour Transparent Sub dials; Date Window at 3:00; Crown with Screw-Down Protective Cap Quartz Movement Water resistant to 100m (330ft): in general, suitable for swimming and snorkeling, but not diving