Swiss. A fine and decorative 18K vari-colour colour gold, turquoise and ruby-set openface verge watch with box

Swiss. A fine and decorative 18K vari-colour colour gold, turquoise and ruby-set openface verge watch with box
Unsigned, circa 1835
With full plate gilt-finished verge movement, chain fusée, pierced and engraved balance cock, plain three arm steel balance, the gilt engine-turned dial with Roman numerals, in circular engine-turned pink gold case with applied two-colour gold, turquoise and ruby-set floral and foliage decoration in high relief, unsigned
45 mm. diam.