G E FRODSHAM, 31 Gracechurch St, London. No 11020


Top quality keyless fusee chronometer movement with up/down, circa 1880.

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Typical London half plate movement, jewelled to the 3rd with cap jewels on balance (diamond) and escape, and hard brass settings on the centre and fusee, the 16-size frame stamped IG (probably John Glover, Prescot) with rocking-bar type keyless work. Earnshaw form of chronometer escapement, the highly polished steel detent with gold passing-spring. Compensation balance, 9-turn blued-steel balance-spring. Signed enamel dial with state-of-wind indication at 12, unusually complete with all its original blued-steel hands. 44.5 mm diameter, 9 mm deep, not including centre arbor.

George Edward Frodsham, successor to Frodsham & Baker, London, watch and chronometer makers. Though not nearly so famous as the firm of Charles Frodsham, and without such wealthy customers, G E Frodsham did sell some interesting clocks and watches from their Gracechurch Street address, this fine chronometer movement being one of their best quality items.

Dial with faint hair crack, the balance pivots broken as is the locking jewel on the detent. Otherwise in good original condition, the black polished detent in particular is, jewel apart, in lovely condition. Not cleaned by me and not of course working, but priced accordingly, and well worth restoration. NB: A detent finished to this standard would cost well over £2,000 today, if you could find anyone to make it.