{"reference": {"slug": "a-lange-s-hne-148", "brand": "A. Lange & Söhne", "ref": "148", "model": "Zeitwerk Date", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/a-lange-s-hne-148", "description": "The A. Lange & Söhne Zeitwerk Date reference 148.038 in 18k white gold was introduced at SIHH 2019 and remains in current production. Collectors prioritize this reference for the Calibre L043.8, which integrated a peripheral date ring—a first for the digital-display family—and doubled the power reserve to 72 hours via a twin mainspring barrel. The 44.2mm case houses a solid silver grey dial featuring the signature \"time bridge\" made of rhodiumed German silver. This model marked the tenth anniversary of the Zeitwerk line and introduced a quick-set pusher at four o'clock to advance the hour display independently. On the secondary market, this reference typically trades in the $85,000 to $105,000 range. A notable technical detail is the inclusion of a constant-force escapement, which manages the significant energy required to advance the three jumping discs and the date ring simultaneously."}, "listing_stats": {"count": 8, "median": 62000.0, "low": 16500.0, "high": 147500.0, "brands": 1, "merchants": 2}, "listings": [{"id": "h_7671492444247", "title": "A. Lange & Söhne A.Lange & Söhne Zeitwerk", "brand": "A. 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Lange & Söhne Zeitwerk | 140.029 | White Gold", "brand": "A. 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