Swiss quarter repeating duplex with Jacquemarts Circa 1820

Silver and pink gold quarter repeating watch by Romand Roux
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An exquisite Swiss silver open faced quarter repeating keywind pocket watch with two Jacquemarts, circa 1820.
Firegilt full plate movement, chain/fusee, two hammers, two gongs, duplex escapement, three armed brass balance, engraved and florally pierced balance bridge. Silver dial, finely engraved, screwed on bell striking figures at the altar of love flanked by two stylized fluted columns, eccentric hour chapter ring with inlaid Roman hours and engine-turned centre, blued steel hands. Engine turned silver case, pink gold pendant, bezels and hinges, a reeded band with slide for silence, pusher for repetition via pendant, case maker Dupré.
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Diameter: 61 mm
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Weight: 183 g
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Signed: Romand Roux à Genève
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Romand, Bordier & Comp.
The Bordier brothers were associated watchmakers as early as 1794. In 1815, they worked at the Grand Mézel. In 1794, they took Roux and Romand into partnership, establishing the company Bordier, Roux, Romand & Cie. Between 1794 and 1811, they were specialised in automaton repeating watches as well as complicated or skeletonized watches, with perpetual calendar, often decorated with painted enamels, pearls and gemstones.