{"product_id":"patek-philippe-annual-calendar-moonphase-as09322","title":"Patek Philippe Annual Calendar Moonphase","description":"\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIn 1991, the soon-to-be graduates at the Geneva School of Engineering were presented with their final project prior to receiving their diploma — \u003c\/span\u003e\u003ci\u003e\u003cspan style=\"font-weight: 400;\"\u003esimplify\u003c\/span\u003e\u003c\/i\u003e\u003cspan style=\"font-weight: 400;\"\u003e the perpetual calendar.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eAlthough the task was easier said than done, their work led to the inception of the annual calendar complication, patented by \u003ca href=\"https:\/\/www.analogshift.com\/collections\/patek-philippe-1\" target=\"_blank\"\u003ePatek Philippe\u003c\/a\u003e in collaboration with the bright engineering minds at the GSE. Five years later, Patek debuted the Reference 5035 which marked the world’s first-ever annual calendar movement and finally bridged the gap between a triple date function and the formidable \u003c\/span\u003e\u003ci\u003e\u003cspan style=\"font-weight: 400;\"\u003equantième perpétuel\u003c\/span\u003e\u003c\/i\u003e\u003cspan style=\"font-weight: 400;\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThis example, a Reference 5146G-001, is housed in a beautifully proportioned 39mm 18k white gold case with a sapphire crystal, signed crown, and a smooth polished bezel. It features a charming ivory white dial with applied indices, recessed subsidiary registers indicating day and month, a moonphase aperture and date window at 6 o'clock, and a matching luminous 'feuille' handset.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003ePowered by Patek Philippe's Calibre 315 S IRM QA LU self-winding movement, it comes fitted to its signed black alligator leather strap with a signed 18k white gold deployant buckle and includes a Certificate of Origin dated April, 2012.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003eThere’s no doubt the Nautilus and Aquanaut have gotten their time in the sun, and even vintage Patek Philippe in general continues to demand the attention of any savvy collector. But let us not forget the high-complication heavy-hitters hiding in plain sight in Patek’s modern catalogs!\u003c\/span\u003e\u003c\/p\u003e","brand":"Patek Philippe","offers":[{"title":"Default Title","offer_id":40466527584343,"sku":"40930329","price":33850.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/1255\/files\/DSC_5189.jpg?v=1730494930","url":"https:\/\/www.analogshift.com\/products\/patek-philippe-annual-calendar-moonphase-as09322","provider":"Analog:Shift","version":"1.0","type":"link"}