{"product_id":"patek-philippe-perpetual-calendar-3rd-series-with-papers-ref-3940","title":"Patek Philippe Perpetual Calendar 3rd Series With Papers (Ref. 3940)","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ch1\u003e\u003cspan class=\"s1\"\u003eWorth A Read\u003c\/span\u003e\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003ch3 data-end=\"2222\" data-start=\"2194\"\u003eHistory and Significance\u003c\/h3\u003e\n\u003cp data-end=\"428\" data-start=\"51\"\u003eThe reference 3940 is widely considered one of the most important modern Patek Philippe references ever produced. Introduced in the mid-1980s, it marked a major turning point for the brand and helped reestablish complicated mechanical watchmaking during a period when much of the industry was still recovering from the quartz crisis.\u003c\/p\u003e\n\u003cp data-end=\"919\" data-start=\"430\"\u003ePowered by the ultra-thin caliber 240 Q perpetual calendar movement, the 3940 combined remarkable technical complexity with restrained proportions and everyday wearability. Unlike many perpetual calendars that feel oversized or overly formal, the 3940 remains elegant and balanced on the wrist. The thin automatic movement allowed Patek Philippe to create a watch that slips effortlessly under a cuff while still offering one of the most respected perpetual calendar layouts ever designed.\u003c\/p\u003e\n\u003cp data-end=\"1280\" data-start=\"921\"\u003eCollectors have long appreciated the reference for its subtlety. Nothing about the watch feels exaggerated. The recessed subdials, leaf hands, applied markers, and compact case proportions all work together in a way that feels distinctly Patek Philippe. It is one of the clearest examples of complicated watchmaking executed with restraint rather than excess.\u003c\/p\u003e\n\u003ch3 data-end=\"1815\" data-start=\"1792\"\u003eWriter’s Thoughts\u003c\/h3\u003e\n\u003cp data-end=\"1390\" data-start=\"1282\"\u003eThe 3940 is one of those watches that becomes more impressive the longer you own it.\u003c\/p\u003e\n\u003cp data-end=\"1645\" data-start=\"1392\"\u003eA lot of perpetual calendars feel like collector pieces first and wearable watches second. The 3940 somehow manages to be both. It wears incredibly well, feels thin and refined on the wrist, and works in almost any setting without feeling overly formal. Also, the strap choice completely changes the watch's personality. On black alligator with the gold deployant, it feels very traditional and elegant with tailoring. Put it on a warm calfskin strap with denim and a sweater, and suddenly t\u003cmeta charset=\"utf-8\"\u003ehe watch feels much more relaxed and personal. Very few perpetual calendars transition that naturally.\u003c\/p\u003e\n\u003ch3 data-end=\"2184\" data-start=\"2167\"\u003eOur Promise\u003c\/h3\u003e\n\u003cp data-end=\"2663\" data-start=\"2425\"\u003eEvery watch is thoroughly vetted, carefully described with complete transparency, and guaranteed authentic. Each piece is offered in honest condition, ensuring collectors receive a timepiece that reflects both originality and integrity.\u003c\/p\u003e\n\u003ch1\u003eSpecifications\u003c\/h1\u003e\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cp\u003e\u003cstrong data-start=\"2204\" data-end=\"2214\"\u003eBrand:\u003c\/strong\u003e Patek Philippe\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"2234\" data-end=\"2244\"\u003eModel:\u003c\/strong\u003e Perpetual Calendar (Ref. 3940)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"2280\" data-end=\"2289\"\u003eYear:\u003c\/strong\u003e circa 1990s\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"2306\" data-end=\"2324\"\u003eCase Material:\u003c\/strong\u003e Yellow gold\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"2341\" data-end=\"2355\"\u003eCase Size:\u003c\/strong\u003e 36mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"2365\" data-end=\"2375\"\u003eBezel:\u003c\/strong\u003e Smooth yellow gold bezel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"2405\" data-end=\"2414\"\u003eDial:\u003c\/strong\u003e Silver dial with perpetual calendar displays and moonphase\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"2478\" data-end=\"2491\"\u003eMovement:\u003c\/strong\u003e Automatic\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"2506\" data-end=\"2525\"\u003eStrap\/Bracelet:\u003c\/strong\u003e Original alligator strap\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"2555\" data-end=\"2572\"\u003eBuckle\/Clasp:\u003c\/strong\u003e Original Patek Philippe gold deployant clasp\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"2622\" data-end=\"2635\"\u003eContents:\u003c\/strong\u003e Certificate of Origin papers and product literature\u003c\/p\u003e\n\u003ch1\u003eCondition\u003c\/h1\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-69b37331-b3ec-832b-9dd7-e354558c83a1-1\" class=\"\"\u003e\n\u003cdiv class=\"relative w-full overflow-visible\"\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"false\" data-testid=\"conversation-turn-212\" data-turn-id-container=\"request-69b37331-b3ec-832b-9dd7-e354558c83a1-1\" data-turn-id=\"request-69b37331-b3ec-832b-9dd7-e354558c83a1-1\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-turn-start-message=\"true\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-5\" dir=\"auto\" data-message-id=\"ced6f74e-500f-42a0-a018-b5e3f04f53d9\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cp\u003e\u003cstrong data-start=\"2709\" data-end=\"2718\"\u003eCase:\u003c\/strong\u003e Clean overall condition with light wear consistent with normal use. Case proportions remain strong throughout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"2849\" data-end=\"2858\"\u003eDial:\u003c\/strong\u003e Perfect overall condition with no notable aging, spotting, or damage visible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"2941\" data-end=\"2951\"\u003eHands:\u003c\/strong\u003e Perfect overall condition with clean surfaces throughout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"3014\" data-end=\"3026\"\u003eCrystal:\u003c\/strong\u003e Clean overall, with no visible wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"3095\" data-end=\"3114\"\u003eStrap\/Bracelet:\u003c\/strong\u003e Patek alligator strap showing light wear consistent with age and careful use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Patek Philippe","offers":[{"title":"Default Title","offer_id":48459010932919,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/8391\/6727\/files\/DSF7214.jpg?v=1779382473","url":"https:\/\/huntingtoncompany.com\/products\/patek-philippe-perpetual-calendar-3rd-series-with-papers-ref-3940","provider":"Huntington Company","version":"1.0","type":"link"}