CHARLES FRODSHAM. A FINE AND RARE 18K GOLD OPENFACE ONE-MINUTE TOURBILLON KEYLESS LEVER POCKET WATCH WITH UP-AND-DOWN AND GUILLAUME BALANCE
CHARLES FRODSHAM. A FINE AND RARE 18K GOLD OPENFACE ONE-MINUTE TOURBILLON KEYLESS LEVER POCKET WATCH WITH UP-AND-DOWN AND GUILLAUME BALANCE

SIGNED CHAS. FRODSHAM, AD FMSZ, BY APPOINTMENT TO THE KING, 27 SOUTH MOLTON STREET, LONDON, NO. 09692, CIRCA 1917

Details
CHARLES FRODSHAM. A FINE AND RARE 18K GOLD OPENFACE ONE-MINUTE TOURBILLON KEYLESS LEVER POCKET WATCH WITH UP-AND-DOWN AND GUILLAUME BALANCE
Signed Chas. Frodsham, AD FMSZ, By Appointment to the King, 27 South Molton Street, London, No. 09692, circa 1917
With gilt-finished three-quarter plate fusee and chain movement with raised barrel engraved with Honour cyphers, the steel three-arm Nielsen type 1 tourbillon carriage with double roller lever escapement and guillaume balance, glazed cuvette, silvered matte dial with Roman numerals, blued steel spade hands, large subsidiary seconds, up-and-down (wind indicator) below twelve o'clock, heavy polished case with triple-stepped bezel, turning pendant and three-joint hinge, dial and movement signed and numbered, case stamped with maker's mark HMF (Harrison Mill Frodsham) and hallmarked for London, 1917
57mm diam.

Lot Essay

Accompanied by a copy of the Kew A certificate stating that watch No. 09692 was tested between February 1st and March 17th of 1918, attaining a mark of 92.1 A e/g. It should also be noted that the Kew records show that No. 09692 was placed as the twenty-seventh best watch tested in 1917-18.

Between 1899 and 1928 Charles Frodsham submitted over 40 tourbillons to Kew for testing, including many of the celebrated minute repeating split-second chronograph tourbillon watches made especially for John Pierpoint Morgan as presentation pieces to new partners in the firm of J. P. Morgan.

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