Sinn Spezialuhren 757

The Sinn 757, reference 757.010, is a chronograph with a 43 mm bead-blasted steel case. The captive pilot's bezel clicks in minute steps in either direction and has a black anodised aluminium insert. TEGIMENT hardens the case and bezel base against scratches. The case is 15 mm thick and water resistant to 200 metres. A matte black dial displays the date beneath sapphire crystal. Mechanical calibre Valjoux 7750 winds automatically, and the push-pieces incorporate a D3-System.