{"reference": {"slug": "breguet-5447", "brand": "Breguet", "ref": "5447", "model": "Classique Grande Complication", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-5447", "description": "The Breguet Classique Grande Complication 5447 in platinum was introduced in the mid-2000s and is currently a discontinued reference. Collectors prioritize this model for its combination of a perpetual calendar and a minute repeater, powered by the manual-wind Caliber 567 RMP. The 40mm case features the brand’s signature coin-edge fluting and welded lugs, while the solid gold dial is finished with hand-engraved engine turning in multiple patterns. This reference is noted for its retrograde month indicator and a moon phase display positioned at 1:30. On the secondary market, the 5447PT typically commands prices in the $140,000 to $180,000 range depending on provenance and condition. A notable production detail is the use of gold gongs in the repeater mechanism, which produces a distinct acoustic profile compared to steel. High-profile auction results for this reference have occasionally reached the $200,000 threshold for well-documented examples."}, "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "listings": [], "auction_lots": [{"slug": "breguet-5447-2021", "brand": "Breguet", "reference": "5447", "model": "Classique Grande Complication", "case_material": "Platinum", "hammer_usd": 81900, "year_sold": 2021, "venue": "Christie's New York", "lot_summary": "A highly complicated platinum minute repeating perpetual calendar with retrograde month and moon phases, representing the pinnacle of modern Breguet craftsmanship.", "source_url": "https://www.christies.com/en/lot/lot-6321244", "provenance": "ai_generated_grounded", "url": "https://mostexpensivewatches.net/auctions/breguet-5447-2021"}]}