Rare, Ultra-Thin ‘Bayonet Caliber’ Movement
Cylinder Escapement, France-Switzerland, 1830 – 1840. This early, extremely small and ultra-thin movement is absolutely in the category of special collectable delights. 150 years ago, the ability to produce miniature watch movements by hand was accessible only to elite watch manufacturers. Reducing the size by one and a half to two times involved a 10-fold […]
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