{"product_id":"patek-philippe-annual-calendar-moonphase-as09155","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\u003c\/span\u003e\u003ca href=\"https:\/\/www.analogshift.com\/collections\/patek-philippe-1\"\u003e \u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/www.analogshift.com\/collections\/patek-philippe-1\" target=\"_blank\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePatek Philippe\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\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 5036\/1J, is housed in a 37mm 18k yellow gold case with a stepped polished bezel, sapphire crystal and signed crown. It features a satin silver dial with applied yellow gold Roman indices, recessed subsidiary registers indicating day and month, moonphase aperture and date window at 6 o'clock, and a luminous \u003cem\u003efeuille\u003c\/em\u003e handset.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003ePowered by Patek Philippe's Calibre 315 SQA 24H IRM LU self-winding movement, it comes fitted to a lovely solid yellow gold multi-link bracelet with a signed deployant clasp, giving the piece some added heft and presence on the wrist. This example has been treated to a professional case refinish and is stunning condition throughout, shipping with its inner and outer box set, purchase receipt and a Certificate of Origin dated October 2000.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOpulent, svelte and \u003cem\u003earguably the sexiest\u003c\/em\u003e of Patek’s annual calendars, this timepiece is a stunner from the \u003c\/span\u003e\u003ci\u003e\u003cspan style=\"font-weight: 400;\"\u003emaison \u003c\/span\u003e\u003c\/i\u003e\u003cspan style=\"font-weight: 400;\"\u003ethat invented the category!\u003c\/span\u003e\u003c\/p\u003e","brand":"Patek Philippe","offers":[{"title":"Default Title","offer_id":40544535609431,"sku":"40930284","price":35850.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/1255\/files\/AS09155_4093284_PATEKPHILIPPE_ANNUALCALENDARMOONPHASE_5036-1J-4.jpg?v=1710447591","url":"https:\/\/www.analogshift.com\/products\/patek-philippe-annual-calendar-moonphase-as09155","provider":"Analog:Shift","version":"1.0","type":"link"}