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Sinn U1 Fully Tegimented Case and Bracelet
  • BandSteel Bracelet
  • Case MaterialSteel
  • MovementAutomatic
 

Sinn U1 Fully Tegimented Case and Bracelet

With the diving watch U1, Sinn engineers succeeded in developing a diving watch in which the quality of material and design gives it superior resistance to external influences under extreme conditions of use. In their search for a steel with the desired resistance, the Sinn engineers found what they were looking for at the German submarine manufacturer Thyssen Krupp Marine Systems: the steel manufacturers supply small quantities of the original steel of the current German submarine production exclusively to Sinn for making diving watches  the very steel of which the external hulls of the German Navy's new submarine class 212, which currently represents the most advanced non-nuclear submarines in the world, are made. This original submarine steel is not only extraordinarily seawater-resistant but is also of the highest non-magnetic quality without any residual magnetism. To ensure reliably that the rotating bezel of the diving watch does not detach under harsh impacts, it is attached as a captive bezel to the central part of the case. The water-resistance and pressure resistance of 100 bar (= 1000 m water depth) was certified for the diving watch U1 by DNV GL. The safety test pressure used for this purpose was 125 bar.

Mechanical Movement
SW 200-1
Self-winding mechanism
26 bearing jewels
28,800 semi-oscillations per hour
Seconds stop function
Anti-magnetic as per DIN 8309

Case
Case made of German Submarine Steel, bead-blasted
Sapphire crystal glass in front, anti-reflective on both sides
Case back screw-fastened
Crown screwable
Meet the technical requirements for waterproofness, as set out in standard DIN 8310
Pressure-resistant up to 1,000 m diving depth (= 100 bar), certified by
DNV GL
According to the technical demands for the diving norm DIN 8306
Tested based on European diving equipment standards EN 250 / EN14143 and certified by DNV GL
Low pressure resistant

Functions
Hours, minutes, seconds
Date display
Diver’s bezel with minute ratcheting and luminous key mark
SINN Technologies
Bezel with TEGIMENT Technology, therefore especially scratch-resistant
Captive bezel

Dimensions and Weight
Case diameter: 44 mm
Band lug width: 22 mm
Case thickness: 14.7 mm
Weight without strap: 113 gramme

Dial and Hands
Matte black dial
Indices coated with luminescent colour
Hour, minute and second hand coated with luminescent colour

Warranty
2 years

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Sinn U1 Fully Tegimented Case and Bracelet
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