{"reference": {"slug": "jaeger-lecoultre-187", "brand": "Jaeger-LeCoultre", "ref": "187", "model": "Master Grand Tradition Grand Complication", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/jaeger-lecoultre-187", "description": "The Jaeger-LeCoultre Master Grande Tradition Grande Complication reference 187.3.46.S in 18k white gold was introduced in 2010 as a limited edition of 75 pieces. This reference features the manual-wind Calibre 945, which integrates a flying orbital tourbillon, a minute repeater with cathedral gongs, and a celestial map displaying sidereal time. The dial utilizes a multi-level construction with a laser-engraved star chart and a sun-tipped hand indicating the zodiac and month. Collectors value this reference for its technical complexity and its role in establishing the brand’s modern high-complication aesthetic. On the secondary market, this specific white gold model typically trades in the $180,000 to $250,000 range depending on condition and provenance. A notable production detail is the use of silicon in the escapement and the \"trebuchet\" hammers designed to improve acoustic transmission against the sapphire crystal."}, "listing_stats": {"count": 1, "median": 28500.0, "low": 28500.0, "high": 28500.0, "brands": 1, "merchants": 1}, "listings": [{"id": "h_7569231380567", "title": "Jaeger-LeCoultre Jaeger-LeCoultre Polaris Alarm 'First Series'", "brand": "Jaeger-LeCoultre", "model": "Jaeger-LeCoultre Polaris Alarm 'First Series'", "reference": "—", "price_usd": 28500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS11460_40980127_JAEGERLECOULTRE_POLARISALARMFIRSTSERIESEUROPEANMARKET_E859--6.jpg?v=1770990941", "detail_url": "https://mostexpensivewatches.net/listing/h_7569231380567", "buy_url": "https://mostexpensivewatches.net/out/h_7569231380567", "available": false}], "auction_lots": [{"slug": "jaeger-lecoultre-187-3-46-s-2014", "brand": "Jaeger-LeCoultre", "reference": "187.3.46.S", "model": "Master Grand Tradition Grand Complication", "case_material": "18k White Gold", "hammer_usd": 409536, "year_sold": 2014, "venue": "Christie's Hong Kong", "lot_summary": "An important 18k white gold and diamond-set minute repeating wristwatch with flying tourbillon, sky chart, and 24-hour indication.", "source_url": "https://www.christies.com/en/lot/lot-5797305", "provenance": "ai_generated_grounded", "url": "https://mostexpensivewatches.net/auctions/jaeger-lecoultre-187-3-46-s-2014"}, {"slug": "jaeger-lecoultre-187-0-23-s-2014", "brand": "Jaeger-LeCoultre", "reference": "187.0.23.S", "model": "Master Grande Tradition Minute Repeater", "case_material": "18k Pink Gold", "hammer_usd": 80500, "year_sold": 2014, "venue": "Christie's New York", "lot_summary": "A limited edition 18k gold minute repeating wristwatch with 15-day power reserve and spring torque indication.", "source_url": "https://www.christies.com/en/lot/lot-5804361", "provenance": "ai_generated_grounded", "url": "https://mostexpensivewatches.net/auctions/jaeger-lecoultre-187-0-23-s-2014"}]}