{"query": "5402ST", "brand": null, "total": 2, "limit": 10, "matches": [{"slug": "audemars-piguet-5402st", "brand": "Audemars Piguet", "ref": "5402ST", "model": "Royal Oak Jumbo A-Series", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-5402st", "description": "The Audemars Piguet Royal Oak 5402ST A-Series was produced between 1972 and approximately 1974, representing the first 2,000 units of the original Royal Oak production. Collectors prioritize the A-Series due to its historical status as the debut luxury steel sports watch and its specific design features, including the \"AP\" logo positioned at 6 o'clock rather than 12 o'clock. The reference features a 39mm monobloc case and the ultra-thin Calibre 2121, developed by Jaeger-LeCoultre. Secondary market prices typically fall within the $100,000 to $200,000 range, though exceptional examples with original \"tropical\" dials or full sets can exceed these figures. A notable production detail is the sequential numbering on the case back; collectors specifically seek the earliest \"A-Series\" designations, as later B, C, and D series moved the logo to the 12 o'clock position and saw higher production volumes.", "score": 201}, {"slug": "audemars-piguet-5402", "brand": "Audemars Piguet", "ref": "5402", "model": "Royal Oak (Gérald Genta's Personal Watch)", "case_material": "Stainless Steel and 18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-5402", "description": "The Audemars Piguet Royal Oak reference 5402 in stainless steel and 18k yellow gold was produced during the mid-to-late 1970s and early 1980s. Collectors value this reference as the original \"Jumbo\" execution, featuring the ultra-thin Calibre 2121 movement and a 39mm monobloc case construction. This specific two-tone configuration is historically significant because it includes Gérald Genta’s personal timepiece, which he customized with a unique 18k gold bezel. The dial typically features the \"Petite Tapisserie\" pattern with the \"AP\" logo positioned at 6 o’clock on earlier A-series and B-series examples. On the secondary market, standard two-tone 5402 models generally trade between $40,000 and $80,000 depending on condition and provenance. A notable auction result occurred in 2022 when Genta’s personal 5402 sold for approximately $2.1 million, establishing a record for the reference and highlighting the premium placed on unique historical ownership.", "score": 74}]}