A vintage Girard-Perregaux Gyromatic wristwatch, silvered dial with applied markers, centre seconds, date on a gilt 39 jewel automatic movement no. 3209150 in a gold plated case stainless steel back to leather band.
- Date Aperture - A date aperture is a cut out section in the face of a watch or clock, displaying the day of the month.
- Movement - The technical name for the workings of a clock or watch, and does not include the dial or case.
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