{"reference": {"slug": "iwc-3529", "brand": "IWC", "ref": "3529", "model": "Ocean 2000 Bund", "case_material": "Titanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-3529", "description": "The IWC Ocean 2000 Bund reference 3529 was produced during the 1980s and 1990s as a specialized military variant of the Porsche Design collaboration. Collectors prioritize this reference for its 42mm bead-blasted titanium case, integrated bracelet system, and the caliber 37521 automatic movement. Unlike civilian models, the Bund 3529 features a flat sapphire crystal, a black bezel with minute markers, and a dial utilizing orange tritium minute hands for high visibility. These watches were issued to West German Navy combat divers (Minentaucher), and authentic examples bear \"Bund\" engravings and NSN stock numbers on the caseback. Current secondary market prices typically range from $12,000 to $18,000 depending on provenance and the inclusion of the original Velcro strap. A notable production detail is the AMAG variant, which utilized non-magnetic materials for mine clearance divers and commands significantly higher premiums at auction."}, "listing_stats": {"count": 6, "median": 6600.0, "low": 5300.0, "high": 15250.0, "brands": 1, "merchants": 2}, "listings": [{"id": "h_8695738171571", "title": "IWC IWC Pilot’s Chronograph C.03 (Pre-owned)", "brand": "IWC", "model": "IWC Pilot’s Chronograph C.03 (Pre-owned)", "reference": "—", "price_usd": 6050.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 41.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "collective-horology", "merchant_name": "Collective Horology", "image_url": "https://cdn.shopify.com/s/files/1/0559/0623/8643/files/P9176723-2.jpg?v=1789676341", "detail_url": "https://mostexpensivewatches.net/listing/h_8695738171571", "buy_url": "https://mostexpensivewatches.net/out/h_8695738171571", "alt_buy_urls": [{"partner": "goldsmiths", "name": "Goldsmiths", "region": "UK", "url": "https://mostexpensivewatches.net/out/h_8695738171571/via/goldsmiths"}, {"partner": "selfridges", "name": "Selfridges", "region": "UK", "url": "https://mostexpensivewatches.net/out/h_8695738171571/via/selfridges"}, {"partner": "farfetch", "name": "Farfetch", "region": "Global", "url": "https://mostexpensivewatches.net/out/h_8695738171571/via/farfetch"}], "available": true}, {"id": "h_15751365558617", "title": "IWC Porsche design by IWC Ocean 2000 issued ref. 3314", "brand": "IWC", "model": "Porsche design by IWC Ocean 2000 issued ref. 3314", "reference": "2000", "price_usd": 15250.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Grade 5 Titanium", "case_size_mm": 42.0, "movement": "Automatic", "complications": [], "merchant_slug": "bulang-and-sons", "merchant_name": "Bulang & Sons", "image_url": "https://cdn.shopify.com/s/files/1/0961/8613/8969/files/W-1541-IWC-Ocean-2000-Bund-Issued-ref-3314_001.jpg?v=1756205856", "detail_url": "https://mostexpensivewatches.net/listing/h_15751365558617", "buy_url": "https://mostexpensivewatches.net/out/h_15751365558617", "alt_buy_urls": [{"partner": "goldsmiths", "name": "Goldsmiths", "region": "UK", "url": "https://mostexpensivewatches.net/out/h_15751365558617/via/goldsmiths"}, {"partner": "selfridges", "name": "Selfridges", "region": "UK", "url": "https://mostexpensivewatches.net/out/h_15751365558617/via/selfridges"}, {"partner": "farfetch", "name": "Farfetch", "region": "Global", "url": "https://mostexpensivewatches.net/out/h_15751365558617/via/farfetch"}], "available": false}, {"id": "h_8049503994035", "title": "IWC IWC Pilot's Watch Chronograph 41 TOP GUN Ceratanium IW388106 (Pre-owned)", "brand": "IWC", "model": "IWC Pilot's Watch Chronograph 41 TOP GUN Ceratanium IW388106 (Pre-owned)", "reference": "—", "price_usd": 9750.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "collective-horology", "merchant_name": "Collective Horology", "image_url": "https://cdn.shopify.com/s/files/1/0559/0623/8643/files/IMG_2055.jpg?v=1736883349", "detail_url": "https://mostexpensivewatches.net/listing/h_8049503994035", "buy_url": "https://mostexpensivewatches.net/out/h_8049503994035", "alt_buy_urls": [{"partner": "goldsmiths", "name": "Goldsmiths", "region": "UK", "url": "https://mostexpensivewatches.net/out/h_8049503994035/via/goldsmiths"}, {"partner": "selfridges", "name": "Selfridges", "region": "UK", "url": "https://mostexpensivewatches.net/out/h_8049503994035/via/selfridges"}, {"partner": "farfetch", "name": "Farfetch", "region": "Global", "url": "https://mostexpensivewatches.net/out/h_8049503994035/via/farfetch"}], "available": false}, {"id": "h_7300577755315", "title": "IWC IWC Pilot’s Chronograph C.03 for Collective (Sold Out)", "brand": "IWC", "model": "IWC Pilot’s Chronograph C.03 for Collective (Sold Out)", "reference": "—", "price_usd": 7150.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "collective-horology", "merchant_name": "Collective Horology", "image_url": "https://cdn.shopify.com/s/files/1/0559/0623/8643/products/IWCFrontCropped.jpg?v=1667877632", "detail_url": "https://mostexpensivewatches.net/listing/h_7300577755315", "buy_url": "https://mostexpensivewatches.net/out/h_7300577755315", "alt_buy_urls": [{"partner": "goldsmiths", "name": "Goldsmiths", "region": "UK", "url": "https://mostexpensivewatches.net/out/h_7300577755315/via/goldsmiths"}, {"partner": "selfridges", "name": "Selfridges", "region": "UK", "url": "https://mostexpensivewatches.net/out/h_7300577755315/via/selfridges"}, {"partner": "farfetch", "name": "Farfetch", "region": "Global", "url": "https://mostexpensivewatches.net/out/h_7300577755315/via/farfetch"}], "available": false}, {"id": "h_15751373816153", "title": "IWC Porsche Design by IWC Ocean 2000 Diver Ref 3500", "brand": "IWC", "model": "Porsche Design by IWC Ocean 2000 Diver Ref 3500", "reference": "2000", "price_usd": 6000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Grade 5 Titanium", "case_size_mm": 42.0, "movement": "Automatic", "complications": [], "merchant_slug": "bulang-and-sons", "merchant_name": "Bulang & Sons", "image_url": "https://cdn.shopify.com/s/files/1/0961/8613/8969/files/W-1472-IWC-Porsche-Design-Ocean-2000-Diver_002.jpg?v=1756206052", "detail_url": "https://mostexpensivewatches.net/listing/h_15751373816153", "buy_url": "https://mostexpensivewatches.net/out/h_15751373816153", "alt_buy_urls": 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"https://cdn.shopify.com/s/files/1/0559/0623/8643/files/IMG_3391.jpg?v=1736883391", "detail_url": "https://mostexpensivewatches.net/listing/h_8086436544691", "buy_url": "https://mostexpensivewatches.net/out/h_8086436544691", "alt_buy_urls": [{"partner": "goldsmiths", "name": "Goldsmiths", "region": "UK", "url": "https://mostexpensivewatches.net/out/h_8086436544691/via/goldsmiths"}, {"partner": "selfridges", "name": "Selfridges", "region": "UK", "url": "https://mostexpensivewatches.net/out/h_8086436544691/via/selfridges"}, {"partner": "farfetch", "name": "Farfetch", "region": "Global", "url": "https://mostexpensivewatches.net/out/h_8086436544691/via/farfetch"}], "available": false}], "auction_lots": [{"slug": "iwc-3529-2023", "brand": "IWC", "reference": "3529", "model": "Ocean 2000 Bund", "case_material": "Titanium", "hammer_usd": 28000, "year_sold": 2023, "venue": "Phillips Geneva", "lot_summary": "A military-spec diver's watch made for the West German Navy, featuring a titanium case and bracelet designed by Porsche Design.", "source_url": "https://www.phillips.com/detail/iwc/CH080223/142", "provenance": "ai_generated_grounded", "url": "https://mostexpensivewatches.net/auctions/iwc-3529-2023"}]}