Sinn Multifunction Chronograph 900 Aviator D SN-034

The 900 Pilot watch is the largest instrument chronograph designed by Sinn – its case diameter is 44 millimetres. Its movement is Valjoux 7750 automatic that performs 28 800 vibrations per hour and has 26 bearing jewels. Extreme protection from magnetic influences is one of the watch’s most special characteristics. The case is hardened through the use of Sinn’s Tegiment technology. A dehumidifying capsule protects the dial from fogging. Additional functionalities include a rotating elapsed time bezel, a second time zone, five scales for conversions from American to European units and vice versa, a date window at 3 o’clock, full chronograph functions, high and low pressure resistance, nickel-free case back and scratch-resistant sapphire crystal glass with anti-reflective coating.