Pocket chronometer

Pocket chronometer in an 18 carat gold Hunter case. Hall mark 1877. Half-plate movement with fusee and keyless winding (disengaged when cover is closed). Earnshaw detent escapement; free-sprung helical balance-spring and compensated balance. Flat enamel dial with up-down below XII, seconds above VI. Steel hands.

Object Details

ID: ZAA0513
Collection: Timekeeping
Type: Pocket chronometer
Display location: Not on display
Creator: Frodsham, G E
Date made: 1877
Credit: National Maritime Museum, Greenwich, London, Foulkes Collection
Measurements: Overall: 75 x 53 x 15 mm
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