Sinn watch u1000 s ezm 6 leather the u1000 s is a diving watch that has an entirely black design the timepiece is created to be very resilient and easy to read in even the harshest of conditions the case is made of german submarine steel that is protected from high pressure magnetic fields and seawater penetration the case is hardened through the use of sinns tegiment technology a dehumidifying capsule keeps the dial from fogging and protects the mechanism the watch comes with various f