Box, Top of Box open, Face, Dial, Movement, Angle view of movement, 2nd angle view, Detent closeup

Johannsen 130 mm 10 jewel marine chronometer, ca. 1918, Earnshaw detent escapement, spotted plates, keywind, keyset, serial number 8,275. Silvered dial with wind indicator and sub seconds engraved A. Johannsen & Co. Makers to the Admiralty, Indian government and Royal Navies of Italy, Spain and Portugal. 149 Minories London 8275. Gimbaled brass tub in 3 tier brass bound mahogany box.