{"reference": {"slug": "patek-philippe-3974", "brand": "Patek Philippe", "ref": "3974", "model": "Minute Repeater Perpetual Calendar", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-3974", "description": "Patek Philippe produced the Reference 3974 between 1989 and approximately 2000 to commemorate the brand’s 150th anniversary. Collectors prioritize this reference because it was the first automatic minute repeater with a perpetual calendar, powered by the 467-part Caliber R 27 Q. The platinum variant is particularly rare, as the majority of the estimated 120 total units were cased in yellow gold. Early examples feature cases hand-forged by Jean-Pierre Hagmann, identified by his hallmark on the lug. The dial displays the day, month, leap year, 24-hour cycle, and moon phase. On the secondary market, platinum 3974 models typically command prices between $1,200,000 and $2,000,000 depending on provenance and condition. A notable auction result occurred at Christie’s in 2022, where a platinum specimen with a black dial and Breguet numerals sold for over $2.5 million, reflecting the premium placed on rare dial configurations."}, "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "listings": [], "auction_lots": [{"slug": "patek-3974-minute-repeater", "brand": "Patek Philippe", "reference": "3974", "model": "Minute Repeater Perpetual Calendar", "case_material": "Platinum", "hammer_usd": 1810000, "year_sold": 2024, "venue": "Phillips Geneva", "lot_summary": "150th-anniversary Patek (1989). Mini repeater + perpetual calendar + moon phase. ~50 made in platinum.", "url": "https://mostexpensivewatches.net/auctions/patek-3974-minute-repeater"}, {"slug": "patek-philippe-3974-2009", "brand": "Patek Philippe", "reference": "3974", "model": "Minute Repeating Perpetual Calendar", "case_material": "Platinum", "hammer_usd": 1200000, "year_sold": 2009, "venue": "Antiquorum New York", "lot_summary": "A rare platinum example of the self-winding minute repeater, notable for being accompanied by three different dials as confirmed by the Extract from the Archives.", "source_url": "https://catalog.antiquorum.swiss/en/lots/patek-philippe-ref-3974-lot-236-402", "provenance": "ai_generated_grounded", "url": "https://mostexpensivewatches.net/auctions/patek-philippe-3974-2009"}, {"slug": "patek-philippe-3974-2013", "brand": "Patek Philippe", "reference": "3974", "model": "Minute Repeating Perpetual Calendar", "case_material": "Platinum", "hammer_usd": 795750, "year_sold": 2013, "venue": "Antiquorum Geneva", "lot_summary": "An extremely fine and rare platinum version of the reference 3974, which was Patek Philippe's most complicated wristwatch at the time of its launch in 1989.", "source_url": "https://catalog.antiquorum.swiss/en/lots/patek-philippe-ref-3974-lot-278-343", "provenance": "ai_generated_grounded", "url": "https://mostexpensivewatches.net/auctions/patek-philippe-3974-2013"}]}