Sinn watch u1000 s ezm 6 rubber the sinn u1000 s watch is designed for the needs of professional divers the casing 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 sinn u1000 s is equipped with a captive safety divers bezel that measures elapsed time specially sealed crown and