Sinn - U1

$3,400.00

Strap Type
Quantity

Product Details

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 ThyssenKrupp 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. 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
  • 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
  • Waterproof and pressure-resistant to 1,000 m diving depth (= 100 bar), certified by DNV
  • According to the technical demands for the German diving norm DIN 8306
  • Tested based on European diving equipment standards EN 250 / EN14143 and certified by DNV
  • 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 diver's bezel
Dial and Hands
  • Matte black dial
  • Indices coated with luminescent colour
  • Hour, minute and second hand coated with luminescent colour
  • Case diameter: 44 mm
  • Band lug width: 22 mm
  • Case thickness: 14.7 mm
  • Weight without strap: 113 gramme

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