10 WA

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Calibre 10 WA is a modular alarm movement from Wittnauer produced in the 1950's.

Unlike integrated alarm movements from Vulcain and Jaeger-LeCoultre, Wittnauer added an alarm module to an existing movement, the Longines-based Cal. 10.

The Wittnauer alarm calibre is notable for its unique features:

  • The alarm module includes its own barrel in the module rather than the main calibre
  • The alarm is wound and set using a rotating bezel rather than an added crown or pusher

Description:

Manual winding movement

Functions:

Alarm function

Data:

17 jewels

Production period:

1950's