DENT, ROYAL EXCHANGE, LONDON. 51940. A RARE TWO-DAY MARINE CHRONOMETER WITH STAPLE ESCAPEMENT

DENT, ROYAL EXCHANGE, LONDON. 51940. A RARE TWO-DAY MARINE CHRONOMETER WITH STAPLE ESCAPEMENT used for surveying the Transvaal in South Africa, housed in a mahogany three tier box enclosing a gimbaled lacquered brass bowl, the 4" silvered dial with Roman chapter ring surrounding subsidiary seconds dial and power reserve fronting a jewelled chain driven fusee movement with Dents patent staple escapement, the original mahogany case retains the firm’s trade label under the lid

18.5cm wide, 19.5cm high