Edward Prior. A fine and rare 18K gold, diamond and enamel triple case quarter repeating keywound openface watch, made for the Turkish Market

Edward Prior. A fine and rare 18K gold, diamond and enamel triple case quarter repeating keywound openface watch, made for the Turkish Market
Signed Edward Prior, London, movement no. 15'352, circa 1818
Full-plate engraved gilt-finished movement, finely pierced and engraved balance cock and foot, diamond end stone, quarter repeating on a bell, white enamel dial, Turkish numerals, circular case, the reverse with a polychrome enamel floral bouquet on a translucent pink enameled engine-tuned ground, red, white, blue and green champlevé and enamel border, pierced band and bezel, the second case with polychrome enamel landscape and harbor scene with outer red, white, blue and green champlevé and enamel scroll and foliate decorated border, band and bezel, the scalloped outer case with pink enamel background with champlevé red and white enamel and gilt florets, quarter repeating activated through the diamond-set pendant, dial and movement signed, movement numbered, both outer cases with London date letter for 1818
Outer case 50 mm. diam., second case 42 mm. diam., inner case 36 mm. diam.