Rare Swiss square one-handed verge pocket watch Circa 1650

Silver square watch by Pierre Duhamel
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An extremely rare, square and one-handed Swiss verge pocket watch, circa 1630-1686. This watch has a square gilded full plate movement that is beautifully adorned with a pierced and engraved balance cock, and classic verge escapement. The watch features an elegant enamel dial with Roman radial hours, a minutes track, and a single Louis XV-style hand. The silver square case is adorned with intricate floral engravings. It was crafted by the skilled hands of Pierre Duhamel (1630–1686) and bears his signature on the works.
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Dimensions: 32 x 32 mm
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Signed: Pierre Duhamel