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Sergio Michelsen introduces his first Vacheron Constantin, a Reference 6484 from the 1960s, powered by the Caliber P453/3B. He seeks community expertise to understand the movement's history, its comparison to the 1001/3 series, and to verify its manufacturing date, as he suspects the auction house's estimate might be inaccurate.
Hi, I am new to VACHERON CONSTANTIN.
I just purchased my first Vacheron Constantin which is a Reference 6484 dated form the “1960's”.. The watch is powered by Caliber P453/3B which has 18 jewels (as opposed to the earlier ones which had 17 jewels) and is stamped twice with the Geneva Seal.
I would appreciate the group’s knowledge in providing me with additional information on this movement and how does it compare to the 1001/3 series since I understand that both are based on a JLC Ebauche.
I would also be grateful if you could provide me with estimated manufacturing date; the auction house indicated that it is from the 1960’s, but I wonder if this is the case as I thought that in the 1960’s VC began using the 1003 movement rather than the 453 movement.
Thanks!
Key Points from the Discussion
- The Caliber 453, with sub-seconds, and its sister Caliber 454, with center seconds, were based on the Jaeger-LeCoultre 449 ebauche, with the 18th jewel being a lower cap jewel for the escape wheel pivot.
- The Caliber 1001, based on JLC 818, was smaller than the 453, measuring 9 lignes and 2.94mm thick compared to 12 1/2 lignes and 4.00mm.
- The Caliber 1003 was introduced in 1955 for Vacheron Constantin's bicentennial, initially reserved for a new case design featuring Maltese Cross lugs.
- Vacheron Constantin, like other brands, received JLC movements as 'movement blancs,' with all Geneva Seal finishing completed within the canton of Geneva, making the movement as 'VC' as possible.
- Some watchmakers argue that the 'original' JLC 449 movement is superior to the later JLC 818, suggesting potential cost-cutting affected quality.
- A collector with an extensive database of vintage Vacheron Constantin watches estimates the movement's serial number dates it to roughly 1950, recommending an extract from VC for precise information.
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