{"query": "REF", "brand": null, "total": 3, "limit": 10, "matches": [{"slug": "parmigiani-fleurier-ref", "brand": "Parmigiani Fleurier", "ref": "REF", "model": "Tonda 1950", "case_material": "18k Rose Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/parmigiani-fleurier-ref", "description": "The Parmigiani Fleurier Tonda 1950 in 18k rose gold was introduced in 2011 and remained a core catalog offering until the brand’s aesthetic shift under new leadership around 2021. Collectors target this reference for the ultra-thin Calibre PF701, an in-house automatic movement measuring 2.6mm thick, featuring a platinum micro-rotor and Côtes de Genève finishing. The 39mm case is characterized by the brand’s signature teardrop lugs and a minimalist dial often finished in grained white or graphite with applied rose gold indices. This model represents the brand’s foundational commitment to Vaucher-manufactured movements and classical proportions. On the secondary market, these rose gold references typically trade between $8,000 and $12,000 depending on the presence of the original tang buckle or deployant clasp. A notable production variant includes the \"Edition Spéciale\" featuring a meteorite dial, which commands a premium over the standard grained dial versions.", "score": 198}, {"slug": "rolex-6100", "brand": "Rolex", "ref": "6100", "model": "Reference 6100", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/rolex-6100", "description": "The Rolex Reference 6100, produced during the early 1950s, is an 18k yellow gold dress watch characterized by its oversized 34mm to 36mm \"Big Bubbleback\" or \"Ovettone\" case construction. Collectors value this reference for its transitionary role in Rolex history, featuring the Caliber A296 automatic movement and a screw-down caseback that provides a thicker profile than standard dress models of the era. The reference often features \"honeycomb\" textured dials or \"star\" indices, which are highly sought after due to their limited production numbers. On the secondary market, the Reference 6100 typically commands prices between $10,000 and $25,000, depending on dial originality and case condition. A notable variant includes models double-signed by retailers like Serpico y Laino, which have historically achieved higher premiums at auction due to their documented provenance and rarity within the vintage market.", "score": 71}, {"slug": "vacheron-constantin-57260", "brand": "Vacheron Constantin", "ref": "57260", "model": "Reference 57260", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/vacheron-constantin-57260", "description": "Commissioned for a private collector and unveiled in 2015 to mark the brand’s 260th anniversary, the Vacheron Constantin Reference 57260 is a unique piece that is not in serial production. It is documented as the most complicated mechanical watch ever made, featuring 57 complications housed within an 18k white gold case measuring 98mm in diameter and 50.55mm in thickness. The manual-wind Calibre 3750 contains 2,826 components and 242 jewels, incorporating a double retrograde split-seconds chronograph and multiple calendars, including a Hebraic perpetual calendar. Because it is a unique commission, it does not trade on the open secondary market; however, its estimated manufacturing cost was approximately $8 million to $10 million. A notable production detail is that it required eight years of development by three master watchmakers to complete. The watch remains a singular historical benchmark for high-complication horology.", "score": 71}]}