LONGINES

LONGINES, SWITZERLAND, REF. 5397, SIDEROGRAPH, SOLD TO MARINE SERVICE HYDROGRAPHIQUE, ALUMINUM AND WOOD A very fine and rare, aluminum and wood, manual wind chronometer deck chronometer with center-seconds, split-seconds and power reserve. Brand: Longines, switzerland Model: Siderograph Reference: 5397 Year: Sold to Longines France in January 1946 Case: 309 Movement: 6989843 Caliber: 21.29, 19 jewels Width: 170 Height: 132 Length: 170 Signature: dial, case and movement Accesories: extract from the archives, photocopy of the instruction manual Grading System: EXCEPTIONAL Case: 3-6-8 (Good , Slightly oxidized , Slightly scratched) Dial: 2-6-8-01 (Very good , Slightly oxidized , Slightly scratched , HANDS Original) Movement: 2* (Very good , Overhaul recommended, at buyer's expense) HKD: 47,700 - 96,000 USD: 6,100 - 12,200 EUR: 5,400 - 10,800 JPY: 960,000 - 1,920,000 To be sold without reserve A siderograph is an instrument combining a clock and a navigation instrument which keeps a reference time equivalent to the time at 0° Greenwich longitude. It used to be quite helpful for pilots. Longines version stemmed from the one designed in cooperation with Charles A. Lindberg around 1930. These examples were logically used by the Marine Service Hydrographique and upon decommission, the name was scratched off the dial.

Estimate:£4,543.43

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