English gold pocket watch in a tortoiseshell case Circa 1770

Gold pocket watch by Charles Coulon
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An antique English pair-cased gold and enamel pocket watch with a tortoiseshell design, circa 1770. The timepiece features a full plate movement that is key-wound, frosted, and gilt. It also boasts a chain/fusee, moulded movement pillars, blued screws, verge escapement, steel balance, a balance bridge that is florally engraved and pierced, and a silver regulator disc. The enamel dial displays Roman radial hours and an outer minutes track with Arabic fifteen-minute numerals. The single hand is made of blue steel. The watch is enclosed in an outer case made of tortoiseshell, which adds a unique texture and pattern to the design. The inner case is made of gold, pierced, and engraved, adding an extra layer of luxury to this already exquisite timepiece.
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Diameter: 48 mm
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Signed: Cha. Coulon, London
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Hand missing, glass is broken.