Movement review Cyma calibre: 454 series

In 1950 Tavannes Cyma co launched a brand new calibre 454 series. It might not have been as lavashly decorated as it’s predecessor calibre 414, but it had some very cool features like the balance cock/bridge and capped escape wheel pivots. Cyma also used this calibre in the later Watersport models and the new Navystar models. 

The most desirable of the variants must be calibre: 455 that featured a triple date complication. 

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