Hebdomas "8 Days" pocket watch, visible balance wheel, silve - Lot 148

Hebdomas "8 Days" pocket watch, visible balance wheel, silver case with box 800/1000 silver case, hallmarked with the Tétras lyre (official Swiss guarantee hallmark for 0.800 silver, in use since 1882) and the manufacturer's mark S & C, guilloché back cover adorned with a central cartouche. White enameled dial with blue Arabic numerals, metal scroll decoration, "8 Jours" and "Hebdomas" inscriptions, exposed balance wheel at bottom. Mechanical movement with anchor, Bréguet balance-spring, visible lifts, vat engraved with medals (Geneva, Paris, Chicago, Brussels). Functional on examination. Dimensions: approx. 6 x 4.5 cm. With antique sheathed case, blue velvet interior (10 x 10.5 cm).