细节
BARTHELAY. AN 18 CARAT GOLD SELF-WINDING CALENDAR WRISTWATCH WITH POWER RESERVE
SIGNED ALEXIS BARTHELAY, GENEVE, RECENT
With nickel-finished lever movement, 19 jewels, signed Piguet, numbered 9640, mono-metallic balance, brushed gilt dial with subsidiary dials for constant seconds, date and sector for power reserve indication, the case with glazed back, dial and movement signed
31 mm diam.