{"product_id":"iwc-portuguese-perpetual-calendar-iw503704","title":"IWC Portugieser Perpetual Calendar","description":"\u003cp\u003eIn 18-carat white gold the Portugieser Perpetual Calendar is IWC's masterpiece at its most discreet — precious metal that reads as steel until it catches the light. Kurt Klaus conceived the calendar module in the 1980s with an elegance that still astonishes: date, day, month, four-digit year and moon all advance from a single mechanical programme requiring no correction until 2100, set through the crown alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReference:\u003c\/strong\u003e IW503704\u003cbr\u003e\u003cstrong\u003eMovement:\u003c\/strong\u003e Automatic, in-house calibre 52610 with Pellaton winding\u003cbr\u003e\u003cstrong\u003ePower reserve:\u003c\/strong\u003e approx. 168 hours (7 days)\u003cbr\u003e\u003cstrong\u003eCase:\u003c\/strong\u003e White Gold, 44.4 mm\u003cbr\u003e\u003cstrong\u003eComplications:\u003c\/strong\u003e Perpetual calendar, four-digit year, double moonphase\u003cbr\u003e\u003cstrong\u003eYear:\u003c\/strong\u003e 2026 — Full set\u003c\/p\u003e","brand":"IWC","offers":[{"title":"Default Title","offer_id":54641437311342,"sku":"IW503704","price":43300.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/2479\/8830\/files\/IW503704.jpg?v=1789805966","url":"https:\/\/luxurygroupstore.com\/es\/products\/iwc-portuguese-perpetual-calendar-iw503704","provider":"Luxury Group - Rsm. Malta","version":"1.0","type":"link"}