{"query": "43045", "brand": null, "total": 1, "limit": 10, "matches": [{"slug": "vacheron-constantin-43045", "brand": "Vacheron Constantin", "ref": "43045", "model": "American 1921 Perpetual Calendar", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/vacheron-constantin-43045", "description": "The Vacheron Constantin American 1921 Perpetual Calendar reference 43045 in platinum was produced during the late 1990s and early 2000s, predating the current generation of Historiques models. Collectors prioritize this reference for its combination of the 45-degree offset \"driver's\" dial layout and the ultra-thin Caliber 1120 QP, an automatic movement based on the Jaeger-LeCoultre 920 ebauche. The 36mm cushion-shaped case is constructed from 950 platinum and features a silvered dial with painted Arabic numerals and four sub-dials for the perpetual calendar functions. Due to its limited production run and the technical complexity of fitting a perpetual calendar into the asymmetrical American 1921 case design, the reference is rarely seen on the secondary market. Current market valuations typically fall within the $60,000 to $90,000 range. A notable production detail is the use of the Maltese cross-shaped rotor, visible through the sapphire caseback.", "score": 200}]}