{"product_id":"patek-philippe-annual-calendar-5146j-18k-yellow-gold-1","title":"RARE Patek Philippe Annual Calendar 3941J – 18K Yellow Gold 36mm","description":"\u003ch3\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePatek Philippe Perpetual Calendar – 18K Yellow Gold\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eReference:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 3941J\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCondition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pre-Owned\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCase Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 18K Yellow Gold\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCase Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 36mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Silvered Dial with Applied Yellow Gold Indexes\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCrystal:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sapphire Crystal\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMovement:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Patek Philippe Caliber 240 Q Automatic\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMovement Architecture:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ultra-Thin Automatic with 22K Gold Micro-Rotor\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eJewels:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 27\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFunctions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hours, Minutes, Perpetual Calendar, Day, Date, Month, Moonphase, Leap-Year Indicator \u0026amp; 24-Hour Indication\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCase Back:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sapphire Exhibition Case Back\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eStrap:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Black Leather\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBuckle:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 18K Yellow Gold Patek Philippe Tang \/ Pin Buckle\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCondition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pre-Owned \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.phillips.com\/detail\/patek-philippe\/150568?utm_source=chatgpt.com\"\u003ePhillips\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePatek Philippe Ref. 3941J\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is an exceptionally rare variation of one of the manufacture's most important modern perpetual calendars. Introduced alongside the legendary Ref. 3940 family in the mid-1980s, the 3941 was distinguished by its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esapphire exhibition case back\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, allowing the owner to view the ultra-thin Caliber 240 Q and its micro-rotor. Patek Philippe eventually incorporated display-back options into the 3940 itself, resulting in the 3941 being discontinued around \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1990 after a remarkably short production period\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.christies.com\/en\/lot\/lot-6553862?utm_source=chatgpt.com\"\u003eChristie's\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDespite measuring only \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e36mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the 3941J houses a full perpetual calendar capable of mechanically accounting for months of different lengths as well as leap years. Three beautifully balanced subsidiary displays communicate the day, date, month, moonphase, leap-year cycle, and 24-hour indication. The restrained silvered dial and slim 18K yellow gold case allow an extraordinary amount of mechanical complexity to remain visually elegant. \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.sothebys.com\/buy\/908ee159-6cc6-4807-b3c9-ac55efac6b55\/lots\/144d7e86-b435-4e3b-8ca2-496587cd90ab?utm_source=chatgpt.com\"\u003eSothebys.com\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt its heart is the legendary \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePatek Philippe Caliber 240 Q\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, an ultra-thin automatic perpetual-calendar movement built around a recessed \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e22K gold micro-rotor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The movement's architecture allowed Patek Philippe to produce a remarkably slim perpetual calendar while preserving the classical proportions expected of a traditional dress watch. The sapphire back of the 3941 was specifically created in response to clients who wanted to see this movement—making the exposed Caliber 240 Q an essential part of the reference's identity. \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePaired here with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblack leather strap and 18K yellow gold Patek Philippe tang buckle\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the 3941J is an exceptionally traditional presentation of an increasingly important collector reference. Its short production run, exhibition back, classic 36mm proportions, precious-metal construction, and celebrated micro-rotor perpetual-calendar movement distinguish the 3941 from the considerably more familiar Ref. 3940. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlexanders Jewelers is located in Columbus, Ohio and has specialized in luxury watches and fine jewelry for over 20 years. We are members of Jewelers of America and the Better Business Bureau with an A+ rating. Every pre-owned luxury timepiece is carefully inspected for authenticity and condition. We offer financing options and accept all major credit cards and wire transfers.\u003c\/span\u003e\u003c\/p\u003e","brand":"Alexander's Jewelers","offers":[{"title":"Default Title","offer_id":51744628670710,"sku":null,"price":96500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0249\/0889\/0208\/files\/UN-4196_qluph3du2g_2026-09-22-13-02-20-Photoroom.jpg?v=1790352423","url":"https:\/\/alexanderscolumbus.com\/products\/patek-philippe-annual-calendar-5146j-18k-yellow-gold-1","provider":"Alexander's Jewelers","version":"1.0","type":"link"}