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Fig. 1

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Fig. 2

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Fig. 3

183: Gents Longines Grand Prize Admiral 1200, peripheral gear, 1962

Case: 69-240, 533816, Longines Wittnauer Watch Co Inc, Geneva - NewYork - Montreal, Ross, 10K Gold filled, signed crown, Admiral medallion on back, mono-shell case (movement inserted from front side, detachable stem), D=34mm
Band: leather
Dial: silvered, applied logo, digits and markers, luminous dots
Movement: 11989570, Longines Watch Co Swiss, Longines Automatic Grand Prize, calibre Longines 340, 17 jewels, ball-bearing rotor with peripheral gear placed out of center, rather large balance, Kif shock protection, excenter regulator
Condition: C1, B0, D0-1, M0, recently overhauled

Sophisticated design
To save space for a huge balance, the rotor was placed outside the center, and the winding gear at the perimeter of the movement. The rotor got a peripheral gear for this purpose. Notice that the rotor has a ball bearing, already in 1962 when the Eterna's patent was still valid. Probably this unique winding mechanism circumvented Eterna's patent on ball-bearing rotors.


Sold in Auction

Date 12-4-02

High bid EUR 340.00

Reserve EUR 370.00

Not for Sale!
The watch presented here is not for sale. It was offered or sold as mentioned above a longer time ago. This archive is just a market overview and price guide, e.g. for evaluation of comparable watches. Moreover, images and descriptions can help for dating and checking the authenticity of watches.

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