Dentand. A fine, rare and early gilt brass and enamel openface oignon verge watch with date and mock pendulum

Dentand. A fine, rare and early gilt brass and enamel openface oignon verge watch with date and mock pendulum
Signed Dentand à Genève, circa 1700
Gilt brass verge movement, chain fusée, large balance cock set with the polychrome enamel painted portrait of a lady, the upper part of the mock pendulum in the form of a gold bumble bee flying buzzing back and forth, a curved aperture to the lower part showing the circular mock pendulum, all revealed through a glazed circular aperture in the base back, finely chased and engraved foliage decorated gilt dial, dark blue Roman numerals on white enamel cartouches, outer Arabic five minute indications on white enamel cartouches, inner white enamel ring with half-hour scale, date window to 12 o'clock, large gilt case covered with stained leather and gilt pin work decoration, movement signed
58 mm. diam.