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                      Sinn 556 I Mother-of-Pearl S – elegant watch with black mother-of-pearl dial and stainless-steel bracelet, worn on the wrist against a grey background.

Instrument watches

These watches have their origin in cockpit navigation clocks, which have a long tradition at SINN. Both require perfect readability and the highest standards of accuracy.

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Tested and certified to the Technical Standard for Pilot Watches (TESTAF)
Area of Application
Dial colour
Type of watch
TEGIMENT technology
Dial material

Case

Case back
Case diameter
Tested based on European diving equipment standards and certified by DNV
Lug width
Case material
Crystal
Pressure resistance in bar
Anti-reflection
Case finish

Functions

24-hour display
2nd time zone
Weekday display
Pulsomuter scale
Tachymeter scale
Date display
Rotating bezel
Power reserve indicator
Month display
Calendar week display
Moon phase display
3rd time zone

Movement

Movement winding
Caliber

SINN Technologys

Rotating bezel technology
Temperature Resistance Technology
DIAPAL
Ar-Dehumidifying Technology
HYDRO technology
Magnetic Field Protection
[Q] Technology