Sinn watch u1000 sdr ezm 6 rubber u1000 sdr is a diving watch that comes with various innovations resilient casing and exceptional readability the case is made of german submarine steel that is protected from magnetic fields high pressure and seawater penetration sinns tegiment technology is used to make the casing harder a dehumidifying capsule keeps the dial from fogging and protects the mechanism additional functionalities include a date window at 9 o clock captive safety divers be