细节
Audemars Piguet. A fine platinum openface minute repeating keyless lever dress watch
Signed Audemars Piguet & Co., No. 28609, circa 1923
Cal. 18''' SMW nickel-finished lever movement, 29 jewels, bimetallic compensation balance, minute repeating on two polished steel hammers onto a gong, the silvered matt dial with applied Breguet numerals, subsidiary seconds, in slim circular case with repeating slide in the band, case signed and numbered, movement numbered
44 mm. diam.