Quality Swiss Automatic movement; Functions without a battery; Powers automatically with the movement of your arm Scratch-resistant sapphire crystal Case diameter: 44.25 mm Stainless-steel case; Black dial; Date function; Chronograph functions; GMT function; Tachymeter function Water-resistant to 330 feet (100 M) Amazon.com Product DescriptionThe Omega Men’s Speedmaster Black Dial Chronograph Watch is a uniquely designed, [...]
