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Sinn Diving watch UX GSG 9 (EZM 2B) NWW 1551
  • TypeModern
  • BandSteel Bracelet
  • Case MaterialSteel
  • ConditionMint
  • MovementQuartz

Sinn Diving watch UX GSG 9 (EZM 2B)

Used but new looking condition Sinn UX GSG9 with unused steel bracelet. It was originally purchased in October 2018 so less than one year old with the balance of the 3 year warranty remaining direct with Sinn. The original owner wore it only on a replacement leather strap and the bracelet has been unworn. The first picture in the sequence is the catalogue images, the following pictures show the watch, the blue tape on the bracelet still in tact and as yet un removed from the watch.


Rescuing the hijacked aircraft on October 18, 1977 in Mogadishu made the German GSG 9 (Grenzschutzgruppe 9) special forces world-famous. Just as legendary as the reputation of the anti-terrorism unit of the German federal police is the diving watch that their maritime unit wears during its missions.Together with GSG 9, we developed the EZM 2 mission timer in the mid-1990s. This timepiece met the special functional requirements of the divers exactly and incorporated the successful features of the 403 HYDRO diving watch. Now this service watch has a worthy successor that can be purchased by anyone: the UX GSG 9 (EZM 2B) diving watch. The diving watch incorporates proven features such as the HYDRO Technology for perfect readability even under water and freedom from reflection at any angle, a large black dial with white hands and 5-minute indices, especially visible at 12 o'clock (mission timer design), a case made of seawater-resistant submarine steel and a captive diver's bezel with TEGIMENT Technology. The position of the crown at 10 o'clock to prevent pressure on the back of the hand is a feature, as is the "GSG 9" logo on the dial.


Quartz Movement

ETA 955.652

High-precision quartz movement

Temperature compensated

7 bearing jewels

Seconds stop function

Anti-magnetic as per DIN 8309



Case made of German submarine steel, bead-blasted

Sapphire crystal glass in front, anti-reflective on both sides

Case back screw-fastened

Meet the technical requirements for waterproofness, as set out in standard DIN 8310

Pressure-resistance of the movement up to 5,000 m diving depth (= 500 bar) and of the case up to 12,000 m diving depth (1,200 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



Hours, minutes, seconds

Date display

Diverâ€â„¢s bezel with minute ratcheting and luminous key mark


SINN Technologies

HYDRO Technology for perfect readability even under water and freedom from reflection at any angle and completely free from fogging

Bezel with TEGIMENT Technology, therefore especially scratch-resistant

Captive bezel

Temperature resistance technology, therefore functionally reliable at temperatures from minus 20°C up to 60°C

Crown with D3-System



Dimensions and Weight

Case diameter: 44 mm

Band lug width: 22 mm

Case thickness: 13.3 mm

Weight without strap: 105 gramme


Dial and Hands

Matte black dial

Indices coated with luminescent colour

Hour, minute and second hand coated with luminescent colour

Mission timer design for optimal readability

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