Swedish gold pocket watch with Sully escapement Circa 1794

Gentleman’s open faced pocket watch
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A gentleman’s rare pocket watch with Sully escapement, circa 1794, 18k gold case, polished.  enamel dial, Arabic numerals, gold Breguet hands. Full plate movement, keywind, frosted, gilt, signed, chain/ fusee, solid movement pillars, vertical escape wheel according to Sully, Sully escapement, three-arm brass balance, blued balance spring, fine orally engraved, pierced monogram balance cock (“HL”) with mascaron.
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Diameter: 54 mm
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Weight: 99 g
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Signed: J(oachim) Hovensch(i)öld, Stockholm