Sinn Spezialuhren 757 DIAPAL

The Sinn 757 DIAPAL, reference 757.030, is a chronograph with a satinised steel case measuring 43 mm across. The 15 mm thick case is water resistant to 200 metres and TEGIMENT-hardened against scratches. A second time zone and date appear on the dial through sapphire crystal. The movement is self-winding calibre Valjoux 7750 with DIAPAL, a lubricant-free escapement. A captive pilot's bezel rotates in either direction with minute ratcheting. Silver labelling marks the bezel's black insert.