Three-quarter plate keyless going-barrel movement (hunter set) jewelled to the centre, the 14-size frame stamped J.P (Joseph Preston). Double-roller detached lever escapement. Top quality compensation balance with quarter-timing nuts, free-sprung balance-spring with overcoil. The firm’s usual numbered enamel dial, original blued-steel hands. 43 mm diameter, 8 mm deep, not including centre arbor.
Army & Navy Co-operative Stores Ltd, London, retailer of many top quality watches, including the work of Victor Kullberg, one of the finest watch and chronometer makers of the period.
Joseph Preston, the most famous of Liverpool watch rough movement manufacturers, supplier to all the best English finishers and retailers of his day.
Broken staff pivot, otherwise in lovely clean condition, looking to have only just been separated from its case. Not working.