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Archive 656

Our experience in manufacturing precision cockpit navigation clocks is still reflected today in SINN's 656 and 657 series. This includes the extra large numbers, for example, as well as the contrast to the glare-free black dial.

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Dial colour
Type of watch
TEGIMENT technology
Dial material

Case

Lug width
Case material
Crystal
Anti-reflection

Functions

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

Caliber

SINN Technologys

DIAPAL
Ar-Dehumidifying Technology
HYDRO technology
[Q] Technology