Sinn Watch U1000 SDR - EZM 6 Bracelet. The U1000 SDR is a diving watch made for the needs of professionals ‰ۡÌÝÌÕ it is exceptionally readable and very resilient. The case is made of German submarine steel that is protected from high pressure, magnetic fields and seawater penetration. It is also hardened through the use of Sinns Tegiment technology. A dehumidifying capsule protects the mechanism from fogging. One of the most intriguing features of the timepiece is the captive safety diver's bezel that measures elapsed time of up to 60 minutes. The crown and specially sealed push pieces are on the left side. Additional functionalities include a date window at 9 o clock, full chronograph functions, mission timer design, luminous dial elements and scratch resistant sapphire crystal glass with anti reflective coating.