Fine English gold, enamel and pearl set watch Circa 1819-20

Gold cylinder watch with enamel floral design by Grayhurst, Harvey & Co.
–
An extremely fine, rare and large English gold, enamel and pearl set pocket watch, circa 1819-20. Made for the Chinese market.
Gilt full plate jewelled movement, ruby cylinder escapement. White, enamel dial with Roman radial hours, outer minutes track, subsidiary dial for the seconds, and gold pear hands. Case back with polychrome enamel summer bouquet on red translucent enamel over the engine-turned ground, both the front and back set with pearls. Signed on movement: Grayhurst, Harvey and Co.; on the dial: 4508. Marking on inside covers: Leopard’s face crowned; 18 crowned (18 carats as prescribed in 1798); date letter for 1819–20;  L C (possibly case maker’s initials of Louis Comtesse).
–
Diameter: 60 mm
–
Signed: Grayhurst, Harvey and Co.
–
Grayhurst, Harvey & Co. English watchmaker, jeweller, goldsmith and silversmith.
Grayhurst Harvey & Co was founded as Alston & Grayhurst jewellers and watch shop in Aldhurst, London. The shop was not far from the “Blue Boar Inn”. The logo for the company was the symbol of the Blue Boar (Blue Boar). And is still used today by the Harvey and Gore company. Alston & Grayhurst later became P. & M. Grayhurst’s, Hardwaremen & Watchmakers, based at Strand 65 in London (near the Adelphi). Around 1810 the company was renamed Grayhurst, Harvey & Co., with business partners Michael Grayhurst (1765-1839) and James Harvey. After various changes, only James Harvey was left in the company with Robert John Harvey, first as James Harvey & Co, and then as Harvey & Co. .
–
This watch by Grayhurst Harvey & Co. for the Chinese market with No. 4508 is in the collection of the Metropolitan Museum of Art.