Lot No. 314 (94th Auction)
Charles Frodsham, By Appointment to the King, 27 South Molton Street, London, Movement No. 09973-61435 AD.Fmsz, Case No. 09973, 58 mm, 192 g, circa 1925

An important, heavy precision pocket watch with one-minute tourbillon, English lever escapement and 24h power reserve indicator, formerly awarded the Kew A Certificate. This watch was submitted for chronometer testing at Kew Observatory between March 2nd and April 15th, 1926. With extract of the archives and copy of the Frodsham records
Case: 18k gold, case maker's punch mark "RN" (Robert Benson North, proprietor of North & Sons 1917-1933, successors to Nicole, Nielsen & Company), turning pendant. Dial: silvered, ground. Movm.: 3/4 plate movement, optionally keywind or crownwind, chain/fusee, finely polished steel tourbillon cage of Nielsen type 1 with polished screws, English lever escapement with a counterpoised gold weight, Guillaume gold screw compensation balance, freesprung blued balance spring.

Described in "The Frodshams" by Vaudrey Mercer, pp. 218 and 280.

Charles Frodsham (1810-1871) was a maker of very fine watches, originally of the Strand, London, and then New Bond Street. His best quality watches bear the letters AD.Fmsz, which is interpreted as 1850, the year he bought J.R. Arnold's estate after his death; the firm was known for a short period as Arnold and Frodsham. He conducted many experiments with compensated balances and the balance spring to discover their underlying principles; he also wrote several papers on technical subjects.

Robert Benson North (1867 - 1929) received his technical training at the British Horological Institute and won a number of prizes for both his theoretical and his practical work during his time at the institute. North accepted the position as Director and Manager of Nicole Nielsen & Co. in 1898; in 1900 he became Managing Director of the company.
Not only did North devote his experience and his skills to the company, in 1903 he also took out an important patent no 6737 for "Improvements in Revolving Escapements for Watches and other Portable Timekeepers". Many of the firm's most complicated high-value watches were produced during that period of time; Nicole Nielsen & Co. were also famous for their collection of magnificent silver carriage clocks with tourbillon lever escapements. From 1905 on the company was known as North & Sons and Watford Speedometers. Robert Benson North was appointed Director and Chairman of Charles Frodsham & Co., Ltd in 1922. After North’s death in 1929, his son Robert Benson North took over his position in the company.
Estimate  52,000 - 60,000 €
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