LONGINES 36-HOUR
MARINE LEVER CHRONOMETER Longines, "Chronometer", movement No. 6403052. Made
circa 1945.
Fine, 36-hour going, keyless, marine lever Chronometer with power reserve indication, in a mahogany deck box.
Two-tier mahogany box, gimballed and weighted
brass case, threaded glazed bezel with reeded edge.
Glazed cover over the movement.
Matte silver, radial Arabic hour numerals, outer minute
track, subsidiary seconds dial at 6 o'clock with Arabic
10-second numerals, power reserve indication below 12.
Blued steel spade hands.
19''', rhodium plated, 17 jewels, straight-line lever escapement,
cut bimetallic compensation balance adjusted
to three positions, blued steel Breguet balance spring,
patented cam-type micrometer regulator.