{"product_id":"patek-philippe-annual-calendar-5146g-001","title":"Patek Philippe Annual Calendar | 5146G-001","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eThe Watch:\u003c\/strong\u003e Patek invented the annual calendar in 1996 and patented it. The mechanism knows the difference between 30 and 31 day months, so it only needs correcting once a year, at the end of February, without the cost and fragility of a full perpetual. The 5035 introduced it, the 5036 added a power reserve indicator, and in 2005 the 5146 took over the line and consolidated everything the complication had accumulated over its first decade.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe dial carries day, date, month, power reserve, and a moonphase across its lacquered enamel. Up close everything is painstakingly detailed, from the raised frame of paint around the date window to the thick outlines on the moonphase's stars.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe case is 39mm in 18k white gold at 11.2mm thick, with a satin-brushed bezel and downturned lugs.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eInside is the cal. 324 S IRM QA LU, 355 components, 36 jewels, 28,800 vph, roughly 45 hours of reserve. The designation is a parts list: S for center seconds, IRM for indication réserve de marche, QA for quantième annuel, LU for lune. The movement is visible through the sapphire caseback.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThis example comes on its original strap and buckle in excellent condition. Watch only.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Excellent, see photos.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e Watch only.\u003c\/p\u003e","brand":"Patek Philippe","offers":[{"title":"Default Title","offer_id":51523595272498,"sku":null,"price":27999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/6773\/1250\/files\/IMG_8484_f5bf69d7-25d5-480a-ae40-12ad5915089e.jpg?v=1785443160","url":"https:\/\/bernsteinwatchco.com\/products\/patek-philippe-annual-calendar-5146g-001","provider":"Bernstein Watch Co","version":"1.0","type":"link"}