细节
PATEK PHILIPPE. AN 18 carat GOLD OPENFACE PERPETUAL CALENDAR WATCH WITH MOONPHASES
signed Patek Philippe & Co., Geneve, No. 27378, circa 1872
with gilt-finished jewelled lever movement, bi-metallic compensation balance, Wolf's tooth winding, gold cuvette, the white enamel dial with three subsidiary dials indicating constant seconds combined with date, day, and month and an aperture for phases of the moon, engine-turned case (No. 27378), together with a Patek Philippe leather case, signed movement and case- 49mm. diam.