细节
SWISS. A GOLD AND ENAMEL SHELL-FORM WATCH WITH CONCEALED DIAL
Unsigned, No. 928, circa 1820
With hinged gilt brass verge movement, chain fusée, three arm balance, pierced and engraved cock, conical pillars, silvered regulator disc, the white enamel dial with Arabic numerals, pink gold hands, concealed within a hinged pink and black enamelled shell-form case with light blue enamel accents, enhanced by engraved bands running lengthwise on both sides, the cover opened by pressing the small button at the bottom of the case, unsigned, case numbered
28 mm. wide