Sinn U1 W Diving Watch

The U1 W is a clean, distinctive and highly functional diving watch from Sinn. Its most outstanding characteristic: the white dial with luminous, glossy black indices and hands. White silicone strap with a black folding clasp.

Such as a non-detachable diver’s bezel, a case made of German submarine steel with TEGIMENT Technology for optimal resistance to seawater and with a Black Hard Coating. This watch has been tested based on the European standards for diving equipment and is pressure-resistant to a depth of 1000 meters. All this has been certified by Germanischer Lloyd, Hamburg.

Technical details

Mechanical Movement ETA 2824-2
Self-winding mechanism
25 bearing jewels
28,800 semi-oscillations per hour
Seconds stop function
Shock resistant as per DIN 8308
Anti-magnetic as per DIN 8309

Case made of German submarine steel, black Sapphire crystal glass in front, anti-reflective on both sides
Case back screw-fastened
Crown screwable
Water-resistant as per DIN 8310 Pressure-resistant up to 1,000 m diving depth (= 100 bar), certified by Germanischer Lloyd Hamburg According to the technical demands for the diving norm DIN 8306
Tested based on European diving equipment standards EN 250 / EN14143 and certified by Germanischer Lloyd Hamburg
Low pressure resistant

Hours, minutes, seconds
Date display
Diver’s bezel with minute ratcheting and luminous key mark

SINN Technologies
Black Hard Coating on a TEGIMENT Technology basis Captive bezel

Dimensions and Weight
Case diameter: 44 mm
Band lug width: 22 mm
Case thickness: 14.3 mm
Weight without strap: 113 gramme

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

2 years

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