{"reference": {"slug": "voutilainen-217qrs", "brand": "Voutilainen", "ref": "217QRS", "model": "Retrograde Date 217QRS", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/voutilainen-217qrs"}, "listing_stats": {"count": 2, "median": 151000.0, "low": 142000.0, "high": 160000.0, "brands": 1, "merchants": 1}, "listings": [{"id": "h_6960987897939", "title": "Voutilainen 217QRS | Retrograde Date | White Gold", "brand": "Voutilainen", "model": "217QRS | Retrograde Date | White Gold", "reference": "217QRS", "price_usd": 160000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k White Gold", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/products/Voutilainen_2__whitegold_A_Collected_Man_London_00.jpg?v=1679916123", "detail_url": "https://mostexpensivewatches.net/listing/h_6960987897939", "buy_url": "https://mostexpensivewatches.net/out/h_6960987897939", "available": false}, {"id": "h_7313620435027", "title": "Voutilainen 217QRS | White Gold", "brand": "Voutilainen", "model": "217QRS | White Gold", "reference": "217QRS", "price_usd": 142000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k White Gold", "case_size_mm": 39.0, "movement": "Automatic", "complications": [], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/files/0efa90baa4cc8587aa6f109759d79f21.jpg?v=1715249643", "detail_url": "https://mostexpensivewatches.net/listing/h_7313620435027", "buy_url": "https://mostexpensivewatches.net/out/h_7313620435027", "available": false}], "auction_lots": [{"slug": "voutilainen-217qrs-2021", "brand": "Voutilainen", "reference": "217QRS", "model": "Retrograde Date 217QRS", "case_material": "Platinum", "hammer_usd": 352800, "year_sold": 2021, "venue": "Phillips Geneva", "lot_summary": "Numbered 8 of a limited edition of 10, this platinum retrograde date model features a dark blue guilloché dial and facetted lugs.", "source_url": "https://www.phillips.com/detail/voutilainen/CH080221/144", "provenance": "ai_generated_grounded", "url": "https://mostexpensivewatches.net/auctions/voutilainen-217qrs-2021"}, {"slug": "voutilainen-217qrs-2023", "brand": "Voutilainen", "reference": "217QRS", "model": "Reference 217QRS Retrograde Date", "case_material": "18k White Gold", "hammer_usd": 146050, "year_sold": 2023, "venue": "Sotheby's New York", "lot_summary": "A rare retrograde date model where the date hand elegantly 'glides' back from the 31st to the 1st, featuring a movement entirely designed and finished in-house.", "source_url": "https://www.sothebys.com/en/articles/independent-watchmaking-exploring-the-craft-of-kari-voutilainen", "provenance": "ai_generated_grounded", "url": "https://mostexpensivewatches.net/auctions/voutilainen-217qrs-2023"}]}