Sinn 142 St II GZ : Automatic chronograph with tide bezel

The 142 St II GZ model has an integrated tide bezel. This can be used at any time to read off the relative water level for any location given in a tide table. Simply set the time of the last high tide using the bezel. The current and expected water levels and the next high tide can then be read off. The relative water level is indicated by a blue rim.
Dressed in a 44mm diameter case made of bead-blasted stainless steel, this watch houses a Dubois-Dépraz (ETA 2892-A2)  self-winding movement.

Technical details

Dubois-Dépraz (ETA 2892-A2) with self-winding mechanism
Exquisitely decorated movement
33 jewels
28,800 semi-oscillations per hour
Hairspring made from Nivarox 1, Glucydur balance, Nivaflex mainspring, beryllium roller, Incabloc shock protection system
Seconds stop function
Shock-resistant as per DIN 8308
Anti-magnetic as per DIN 8309

Hours, minutes, subsidiaray seconds
Central stopwatch minute hand
24-hour dial
Date display
Tide bezel on inner ring, indicating water level

Case made of bead-blasted stainless steel
Sapphire crystal glass on front, with anti-reflective coating on both sides
Transparent back made of sapphire crystal glass with anti-reflective coating on the interior, screw-fastened
Doubly sealed crown, screw-fastened
Doubly sealed push pieces with integrated push-piece guard
Interior tide bezel adjusted by crown positioned between 7 and 8 o’clock
Water-resistant as per DIN 8310
Pressure-resistant to 10 bar (= 100 m water depth)
Low pressure resistant

Case diameter: 44 mm
Case thickness: 15,0 mm
Band lug width: 22 mm
Weight without strap: 109 grams

Matte black, indices white luminous

Hour and minute hand in black with white coating, luminous
Second hand and 24-hour hand, white
Date hand white with red tip
Stopwatch hand red, luminous

Warranty period
2 years

Strap variations
Leather strap
Solid bracelet made of bead-blasted stainless steel and fold-out-overall-lengthening

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