Hanhart 301
Calibre 301 is an alarm movement from Hanhart introduced around 1952.
Advertised as "Sans Souci", Hanhart's first alarm movement resembled the Wittnauer 10 WA in that it was wound and set using the bezel rather than a crown or pusher. It was replaced by the more-conventional Hanhart 302 later in the 1950's.
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