细节
SWISS. AN UNUSUAL GOLD OPENFACE HOUR REPEATING GRANDE SONNERIE KEYWOUND CLOCK WATCH
UNSIGNED, CIRCA 1820
Keywound verge movement, hour repeating and en passant grande sonnerie striking on two hammers, gilt cuvette, white enamel dial, Breguet numerals, circular case, engine-turned back with central cartouche with engraved initials GAK, hour repeating through a button in the pendant, locking slide in the milled band, case stamped PB, numbered 272 and 7875
55 mm. diam.