Claude Bernard Men's 'Aquarider' Swiss Quartz Stainless Steel and Rubber Dress Watch, Color:Black (Model: 10223 37RNCA NIR) Men's aqua rider chronograph diving watch Stainless steel with sapphire crystal, water-resistant to 200 M, unidirectional rotating bezel Swiss-quartz Movement Case Diameter: 44mm Water Resistant To 660 Feet