“Siderograph” Longines, Aero, N°789285, Swiss
Vente aux enchères - Antiquorum N°163 - 13 mai 2007 - Lot N°691

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“Siderograph” Longines, Aero, N°789285, Swiss
Enchère

Vente aux enchères
Antiquorum N°163
13 mai 2007
Lot N°691

“Siderograph” Longines, Aero, N°789285, Swiss. Delivered to the Ostersetzer firm, Longines's official Italian agent, on May 21, 1943. Very fine and rare aluminium siderograph with central seconds, seconds recorder, split-seconds, 30-hour power reserve indication and stop feature, in a gimballed mahogany deck box.
  • USD26 000 - 40 000
  • EUR20 000 - 30 000
  • CHF32 000 - 50 000
  • -


C. Deck box woth brass bound corners, aluminium gimbal and external start-stop for the chronograph. Inner: Cylindrical, massive, back secured by five screws, chronograph pushbutton at 8 o'clock, knob for setting revolving 60 seconds dial at 5 o'clock, winding/setting stem at 12 o'clock, start/stop lever at 10 o'clock, glazed back removable screw-on weight to work with the gimbals. D. Two-tone, silvered, divided into 360 degrees with outer revolving chronograph ring, inner red decimal division and up-and-down sector at 12 o'clock. M. 21''', Cal. 21. 29, rhodium-plated, “fausses-côtes” decoration, 17 jewels, straight line lever escapement with beryllium pallet fork, monometallic balance, self-compensating Breguet balance spring with micrometric cam-type regulator, chronograph work visiable on the back plate. Dial, movement and deck box signed. Deck box: 152mm x 152mm x 100mm. Inner: Diam. 94 mm.
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