A SMALL SIZE 56-HOUR MARINE CHRONOMETER

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A SMALL SIZE 56-HOUR MARINE CHRONOMETER
Ulysee Nardin, No. 4140

the frosted silver dial signed and numbered ULYSSE NARDIN LOCLE & GENEVE 4140, Roman hour numerals, subsidiary seconds and up-and-down dials, blued steel hands, form of three-quarter plate movement, 14400 count train, main frame assembly carrying going barrel and incised with the Ulysse Nardin logo and numbered 4140, a separate heavey cast brass sub-frame carrying the whole of the train and Earnshaw escapement, cut bimetallic balance with peripheral screws, flat spiral blued steel balance spring with Breguet overcoil, micrometric adjustment to index arm, steel escape wheel, right-angled spring foot detent with jewelled locking stone with two steady pins and securing screw, brass bowl, gimballed in three-tier brass-bound mahogany box, the centre section with silvered rectangular plaque inscribed Ulysse Nardin LE LOCLE & GENEVE
72mm. dial diam., 145mm. sq. box

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