细节
Longines. A small gilt metal keyless marine chronometer with sweep centre seconds, power reserve, Glucydur balance, American case and box
Signed Longines, Chronometer, movement no. 6'403'222, manufactured in 1942
Cal. 21.29 nickel-finished lever movement, 21 jewels, Glucydur balance, Nivarox hairspring, cam wheel regulator, glazed dust cover, silvered matte dial, inner Arabic 24 hour calibration, outer 60 seconds divisions, blued steel hands, sweep centre seconds, arched 36 hours power reserve display, American made circular water-resistant-type case, screw bezel and back, gimballed within a two-tier mahogany box, chronometer trial results from The Ontario Hughes-Owens Co. Ltd., Ottawa, Canada, Deck Watch Longines Chronometer Watch No. 6403222 dated 21 December 1943 attached to the inside cover, dial and movement signed
90 mm. diam.; case 150 x 150 x 110 mm