Girard perregaux serial numbers4/18/2023 ![]() Girard Perregaux do not release the serial numbers on their database but will tell you the exact date – for 120CHF! We can date this to approximately 1967 because the earliest service marks are for 1969. This Girard-Perregaux Gyromatic features one of the nicest watch movements ever made, from a high end watch maker founded in 1791.
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