Good quality free-sprung movement by this important but now little known firm, circa 1890.
Halfplate keyless going-barrel movement jewelled the the 3rd, with cap jewels on balance (diamond) lever and escape, the 16-size frame stamped JP (Joseph Preston). Double-roller detached lever escapement. Compensation balance, free-sprung balance-spring with overcoil. Enamel dial, blued-steel hands. 44 mm diameter, 8 mm deep, not including centre arbor.
George Carley & Co (later Carley & Clemence), 30 Ely Place, near Hatton Garden, London, manufacturers of best quality chronometers and keyless watches, with many successes in English Watch Trials, coming 1st at the Greenwich Deck Watch Trials in 1898 and 1899.
Joseph Preston, Prescot, the most famous Lancashire rough movement manufacturer. NB: This caliper of movement is often associated with Victor Kullberg, but the frame was also supplied to other top London finishers.
Small hair crack into seconds bit at the centre (as usual), some light scratches to top plate and top stud incomplete and not holding in position. Otherwise complete and will tick happily if the stud is held in position. Sold as needing repair to work correctly.
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