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The diving watch U2 is a professional mission timer which uses genuine German submarine steel, a material with extreme seawater resistance and the highest level of anti-magnetic properties. In the movement itself, functional reliability between -45 °C and +80 °C is ensured by the SINN special oil 66-228. And that´s not all: with the diver´s bezel tempered to 1500 Vickers, this diving watch is well-equipped to measure the duration of a dive accurately.
Fogging of the dial poses a safety risk when diving. To prevent this, we use seals made of Viton®. This material, with its extreme chemical resistance and only a quarter of the gas permeability of conventional seals, prevents moisture from diffusing into the diving watch. The slightly domed, 4.2 mm thick scratch-proof anti-reflective sapphire crystal glass with a hardness von 1800 HV withstands even the highest pressures. The case is filled with a protective gas, while three drying capsules keep the interior dry.
MovementCaliber:ETA 2893-2
Movement winding:Automatic
Bearing jewels:21
Alternations:28.800 /Std.
CaseCase material:German submarine steel Black hard coating
Crystal:Sapphire crystal glass, with anti-reflective coati
Case back:Solid
Waterproof:yes
Pressure resistance:200 bar
Diameter of case:44,0 mm
Watch thickness:15,5 mm
Weight:114 g
•Tested based on European diving equipment standards and certified by Germanischer Lloyd Hamburg
•Pressure-resistant to 200 bar (corresponds to approximately 2,000 m diving depth), certified by Germanischer Lloyd Hamburg
•Case made of German submarine steel
•Completely seawater-resistant
•All case components, clasp and bracelet with TEGIMENT technology and black hard coating
•Captive diver´s bezel Sapphire crystal glass with state-of-the-art anti-reflective coating technology
•Ar dehumidifying technology to ensure enhanced freedom from fogging
•Functionally reliable at temperatures between -45 °C and +80 °C thanks to SINN Special Oil 66-228
•Second time zone on a 24-hour basis
•Mission timer design for optimal readability
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