{"product_id":"patek-philippe-annual-calendar-moonphase-as09321","title":"Patek Philippe Annual Calendar Moonphase","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-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 data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003esimplify\u003c\/span\u003e\u003c\/i\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e the perpetual calendar.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-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 data-mce-fragment=\"1\" href=\"https:\/\/www.analogshift.com\/collections\/patek-philippe-1\" target=\"_blank\" data-mce-href=\"https:\/\/www.analogshift.com\/collections\/patek-philippe-1\"\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 data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003equantième perpétuel\u003c\/span\u003e\u003c\/i\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eThis piece, a Reference 5146J, is housed in a beautifully proportioned 39mm 18k yellow gold case with a sapphire crystal, signed crown, and a smooth polished bezel. It features a luminous sunburst anthracite toned 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 data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003ePowered by Patek Philippe's Calibre 315 S IRM QA LU self-winding movement, it comes complete with a signed black alligator leather strap, signed 18k yellow gold deployant buckle and Certificate of Origin confirming serial and movement numbers and original sale in Vienna.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThis piece packs pedigree, elegance, function and outstanding craftsmanship - exactly what you'd expect from a Patek Philippe!\u003c\/p\u003e","brand":"Patek Philippe","offers":[{"title":"Default Title","offer_id":40463856533591,"sku":"40930328","price":33850.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/1255\/files\/AS09321_40930328_PATEKPHILIPPE_ANNUALCALENDARYG_5146J-5.jpg?v=1705949544","url":"https:\/\/www.analogshift.com\/products\/patek-philippe-annual-calendar-moonphase-as09321","provider":"Analog:Shift","version":"1.0","type":"link"}