Lot #3067 Vintage Lot Of 3 Longines Technical Caliber Brochures


Estimate:  $50 – $100

Vintage lot of three Longines technical information brochures on calibres 340, 341, 350, 351, and 430 (Longines Ultra-Chron). The brochures give detailed instructions on dismantling and reassembling the parts on a Longines movement. The smaller blue brochure was issued by Longines Wittnauer Watch Co out of New York.

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