Abraham, Colomby. A gilt metal key wind pair case pocket watch with enamel portrait miniature

Abraham, Colomby. A gilt metal key wind pair case pocket watch with enamel portrait miniature
Date: Circa 1770
Movement: Gilt full plate fusee verge, pierced and engraved balance cock, silver regulation, ruby endstone, No.3885
Dial: White, black Roman numerals, black outer minute track, stone set stylised hands
Case: Polished inner, outer with enamel portrait of young female and bird, three colour foliate and stone set borders
Signed: Dial & movement
Size: 41mm