Sinn Watch 900 Diapal. 900.013 Vintage Cowhide Brown. Bringing together all the greatest Sinn technologies into one timepiece, this Sinn 900 Diapal watch is born to last a lifetime. It’s sleek silver aesthetic and high precision automatic movement also ensures it provides accurate timekeeping and a sophisticated look that goes from the cockpit, to the office to a night on the town. Presented in 44mm stainless steel case, this Sinn 900 Diapal watch comes fully loaded with a huge range of German patented innovations including the brand’s famous TEGIMENT technology. This fantastic technique ensures that the case has a significantly greater level of protection against scratches compared to normal stainless steel. Named after one of the brand’s most famous innovations, this Sinn 900 Diapal is also home to Sinn’s DIAPAL technology which provides a lubrication-free escapement to ensure a long-term accuracy of the movement. Alongside this we are also treated to their Ar-Dehumidifying Technology to enhance functional reliability and ensure freedom from fogging and magnetic field protection up to 80,000 A/m. The movement hidden and protected within the this Sinn 900 watch is the SW 500 self-winding calibre, a movement that provides incredible functionality including central hands for hour, minute, chronograph seconds and a second time zone on a 24-hour basis, a date window at 3 o clock and three subsidiary dials for continuous seconds, 12 hours counter and 30 minutes counter. Each of these functions are displayed on a breathtaking anthracite electroplated dial decorated with hand applied appliques and hour and minute hands coated in luminescent colour.