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Lot No. 287
Longines "Ultra-Quartz", Case No. 108372, Ref. 16, Cal. 6512, 39 x 43 mm, circa 1970

A gentleman's rare vintage electromechanical precision tuning fork wristwatch with date and inhouse "cult" calibre 6512
Case: steel, push back with crown. Dial: blue. Movm.: tuning fork movement.

Longines was a part of the Quartz project led by CEH and some very rare "QuartzChron" Beta21 watches were made for Longines. This however must have been costly (as joining CEH was far from cheap) so Longines created their own inhouse 6512 calibre making a one of a kind and only Cybernetic watch in the World! The "Ultra-Quartz" is very very different from other inventions of that era although the idea was based on the Accutron concept - thus it is also considered to be a member of the Hummer family. The crown is smartly fitted on the back additionally underlining the precision of the movement which looks like an unfinished yet amazing prototype.
Source: http://www.crazywatches.pl/longines-ultra-quartz-6512-1970, as of 03/16/2016
Estimate  500 - 1,500 €

Price Realised  2,200 €
A lot from a recent auction!

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