细节
Charles Frodsham. A very fine, large and rare 18K gold openface one minute tourbillon keyless lever watch with Guillaume balance and Kew Observatory Certificate
Signed Chas. Frodsham, 09364, AD.Fmsz, By Appointment to the King, 115 New Bond Street, London, stamped with London date letter for 1910
Gilt-finished three-quarter plate double roller lever movement, raised barrel engraved with Honour cyphers, three-arm tourbillon carriage, glazed dust cover, tinted enamel dial, Roman numerals, sunk subsidiary seconds, heavy plain circular case, raised push, five-knuckle hinges, turning pendant, case numbered and stamped with casemaker's initials HMF for Harrison Mill Frodsham and London date letter for 1910, dial and movement and numbered
65 mm. diam.