Sinn 856

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File:Sinn 856.jpg
Sinn 856
File:Sinn 856 S.jpg
Sinn 856 S

The 856 is an instrument watch by Sinn produced since 2004.


Antimagnetic pilot's watch with superior surface hardness by tegimented case and with dual time zone.


  • 856 (2004-present)
  • 856 B-Uhr (2016-present) - Limited edition of 856 pieces
  • 856 S (2004-present)
  • 856 S UTC (2011-present)
  • 856 UTC (2011-present)


Mechanical movement (formerly ETA 2893-2, at present SW 300-1), 28,800 A/h
25 jewels
Nivarox 1 hairspring, Glucydur balance wheel, Beryllium plateau
Mainspring Nivaflex 1, Incabloc shock protection


Tegimented stainless steel case bead-blasted (856 S: black hard-coated and tegimented)
Ø 40.0 mm, height 10.7 mm
Nickel-free caseback, screw-fastened
Ar-Dehumidifying Technology enhances functional reliability and freedom from fogging
Sapphire crystal with anti-glare treatment on both sides
Screw-in crown with double o-ring gasket
Antimagnetic till 80,000 A/m
Waterproof to 200 m
Safe below atmospheric pressure


Hours, minutes, seconds, date
Dual time zone in 24 hours mode


Black, indexes and numerals with special white, long-lasting luminous paint
Internal 24 hours scale in white
UTC letters in daylight color, UTC hands with daylight color


Cowskin leather strap
Variants: Solid stainless steel bracelet, tegimented and black hard-coated, with milled folding clasp, safety strap and divers extension, screwed bracelet members for length reduction


3 years