Jacob Debaufre, London. A gold and bloodstone key wind open face pocket watch later enhanced with diamonds, rubies and moss agate

Jacob Debaufre, London. A gold and bloodstone key wind open face pocket watch later enhanced with diamonds, rubies and moss agate
Date: Circa 1720 and later
Movement: Gilt full plate fusee verge, pierced and engraved winged balance cock, silver regulation, No.1328
Dial: Gilt champlevé, black Roman numerals, outer arcaded minute track, winding aperture at 3, applied stone set chapter, beetle and poker hands
Case: Later bloodstone reverse, moss agate panel with two color gold coronet adorned with old cut diamonds and rubies, bloodstone set bezel with 6 diamonds
Signed: Dial & movement
Size: 40mm
Accompaniments: 19th Century bloodstone brooch with diamonds and a ruby