Cyma chronograph calibre 4001 (modified Valjoux calibre 22) where they fitted fitted their own balance cock and balance. The movement was also higly decorated. This example has an amazing original dial.
Case ref no: 9923 is in good condition. Original signed crown Case size 36mm w/o crown. Cyma calibre 4001 (Valjoux 22) is in good condition. Serviced by me August 2023.
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