細節
Perrenoud. A Fine 18k Gold Openface Perpetual Calendar Keyless Lever Pocket Watch
Signed Perrenoud & Cie., Locle, No. 38'266, Circa 1900
Gilt-finished lever movement, bi-metallic compensation balance, gold cuvette, white enamel dial, Roman numerals, blued steel spade hands, four subsidiary dials for month combined with leap year indicator, day, date and constant seconds, monogrammed circular case, date correcting button in the band, hinged back, case numbered, cuvette signed and numbered
51mm diam.