Sinn 656

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Sinn 656
Sinn 656 S

The 656 is a wristwatch by Sinn from 2001 through 2011.


This pilot's watch convinces by its clear appearance and easy to read dial. It also has some interesting technical features such as magnetic field protection or high water resistance. A PVD-coated 656 S model was introduced in 2004.

In 2005, Sinn created a companion model, 657, with a larger case and rotating bezel.

In 2008, Sinn introduced a similar model 556 with slightly different finishing and a display caseback. The model 656 was retired from the catalog in 2012, leaving the 556 and new Sinn 856 to take its place.


  • 656 (2001-2010)
  • 656 S 2004-2011)


Mechanical movement (ETA 2824-2), 28,800 A/h
Antimagnetic according to DIN 8309
Shock proof according to DIN 8308


Stainless steel
Model 656 S with deep black chrome case
Ø 38.5 mm, height 10.1 mm
Sapphire crystal with anti-glare treatment on both sides
Nickel-free caseback screwed
Screw-in crown with double O-ring seal
Waterproof to 200 m
Safe below atmospheric pressure


Hours, minutes, seconds, date


Hour indexes with special white, long-lasting luminous paint


Leather strap or metal bracelet


2 years