Revue Thommen 17000.6137 Men's 'Aviator' Black Dial Stainless Steel Chronograph Automatic Watch features a stainless steel 42mm case, with a uni-directional rotating bezel, a black dial and a scratch resistant sapphire crystal. The 22mm stainless steel band is fitted with a fold-over clasp. This beautiful wristwatch, powered by Sellita Calibre SW510A automatic movement. This watch has a water resistance of up to 165 feet/50 meters, suitable for short periods of recreational swimming, but not diving or snorkeling.