In 1943 Cyma launched its first automatic movement, the caliber 420, with a swinging arm winding in one direction. This movement was fitted into the square-cased "Watersport" model, for example. Another automatic is the "Autorotor" self-winding caliber 485, launched in around 1957. Thereafter Cyma used ETA calibers.
In 1966 Tavannes-Cyma ceased production and the rights to the brand name passed to Chronos Holding.
The best production ends in the 50s IMO.
My only automatic
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