{"product_id":"japanese-original-yn55a-yn56a-precision-automatic-mechanical-movements","title":"Japanese original YN55A YN56A precision automatic mechanical movements","description":"\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp data-path-to-node=\"1\" id=\"p-rc_b8bb5fbc4b957389-24\"\u003e\u003cspan class=\"citation-9\"\u003eThe \u003c\/span\u003e\u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003e\u003cspan class=\"citation-9\"\u003eEpson YN55\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-9\"\u003e and \u003c\/span\u003e\u003cb data-path-to-node=\"1\" data-index-in-node=\"19\"\u003e\u003cspan class=\"citation-9\"\u003eYN56\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-9\"\u003e (often labeled as YN55A \/ YN56A) are Japanese automatic, mechanical watch movements manufactured by \u003c\/span\u003e\u003cb data-path-to-node=\"1\" data-index-in-node=\"124\"\u003e\u003cspan class=\"citation-9\"\u003eSeiko Epson\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-9 citation-end-9\"\u003e.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\" id=\"p-rc_b8bb5fbc4b957389-25\"\u003e\u003cspan class=\"citation-8\"\u003eIf they look familiar, it’s because they are the unbranded\/supply market equivalents of \u003c\/span\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"88\"\u003e\u003cspan class=\"citation-8\"\u003eOrient’s in-house F6 calibers\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-8 citation-end-8\"\u003e (the F6722 and F6922) which famously power watches like the Orient Mako and Ray lines.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Epson sells these YN movements to third-party microbrands (such as San Martin, Vostok Europe, and Guanqin) as an alternative to the incredibly ubiquitous Seiko Instruments (SII) NH35\/NH36 series. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\" id=\"p-rc_b8bb5fbc4b957389-26\"\u003e\u003cspan class=\"citation-7\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-7\"\u003eYN55:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-7\"\u003e Features a \u003c\/span\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"17\"\u003e\u003cspan class=\"citation-7\"\u003eSingle Calendar\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-7 citation-end-7\"\u003e (Date only at 3:00).\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\" id=\"p-rc_b8bb5fbc4b957389-27\"\u003e\u003cspan class=\"citation-6\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-6\"\u003eYN56:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-6\"\u003e Features a \u003c\/span\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"17\"\u003e\u003cspan class=\"citation-6\"\u003eDouble Calendar\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-6 citation-end-6\"\u003e (Day \u0026amp; Date).\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"4\" id=\"p-rc_b8bb5fbc4b957389-28\"\u003eCompared to the NH35 series, watchmakers and microbrands often note that the YN series features tighter modern manufacturing tolerances out of the factory, resulting in very stable positional variance. \u003cspan class=\"citation-5\"\u003eHowever, note that while the hour and minute hands from an NH35 fit the YN55\/YN56, the \u003c\/span\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"289\"\u003e\u003cspan class=\"citation-5\"\u003eseconds hand hole size is slightly different\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-5 citation-end-5\"\u003e and dial feet layout follows a template closer to the Miyota 8215.\u003csup class=\"superscript\" data-turn-source-index=\"5\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eSpecification List\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"7\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEpson YN55A (Single Calendar)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEpson YN56A (Double Calendar)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,1,0,0\"\u003e\u003cb data-path-to-node=\"7,1,0,0\" data-index-in-node=\"0\"\u003eManufacturer\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,1,1,0\"\u003eSeiko Epson\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,1,2,0\"\u003eSeiko Epson\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,2,0,0\"\u003e\u003cb data-path-to-node=\"7,2,0,0\" data-index-in-node=\"0\"\u003eMovement Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,2,1,0\"\u003eAutomatic (Self-Winding) \u0026amp; Manual Winding\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,2,2,0\"\u003eAutomatic (Self-Winding) \u0026amp; Manual Winding\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,3,0,0\"\u003e\u003cb data-path-to-node=\"7,3,0,0\" data-index-in-node=\"0\"\u003eBase Caliber Clone\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,3,1,0\"\u003eOrient Cal. F6722\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,3,2,0\"\u003eOrient Cal. F6922\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,4,0,0\"\u003e\u003cb data-path-to-node=\"7,4,0,0\" data-index-in-node=\"0\"\u003eFunctions\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,4,1,0\"\u003eHours, Minutes, Central Seconds, Date\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,4,2,0\"\u003eHours, Minutes, Central Seconds, Day, Date\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,5,0,0\"\u003e\u003cb data-path-to-node=\"7,5,0,0\" data-index-in-node=\"0\"\u003eJewels\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,5,1,0\"\u003e22\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,5,2,0\"\u003e22\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,6,0,0\"\u003e\u003cb data-path-to-node=\"7,6,0,0\" data-index-in-node=\"0\"\u003eVibrations Per Hour\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,6,1,0\"\u003e21,600 bph (3 Hz)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,6,2,0\"\u003e21,600 bph (3 Hz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,7,0,0\"\u003e\u003cb data-path-to-node=\"7,7,0,0\" data-index-in-node=\"0\"\u003ePower Reserve\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,7,1,0\"\u003e\u003cspan class=\"math-inline\" data-math=\"\\ge\" data-index-in-node=\"0\"\u003e$\\ge$\u003c\/span\u003e 40 hours\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,7,2,0\"\u003e\u003cspan class=\"math-inline\" data-math=\"\\ge\" data-index-in-node=\"0\"\u003e$\\ge$\u003c\/span\u003e 40 hours\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,8,0,0\"\u003e\u003cb data-path-to-node=\"7,8,0,0\" data-index-in-node=\"0\"\u003eHacking? (Stop Seconds)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,8,1,0\"\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,8,2,0\"\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,9,0,0\"\u003e\u003cb data-path-to-node=\"7,9,0,0\" data-index-in-node=\"0\"\u003eFactory Accuracy\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,9,1,0\"\u003e-25 to +35 seconds per day\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,9,2,0\"\u003e-25 to +35 seconds per day\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,10,0,0\"\u003e\u003cb data-path-to-node=\"7,10,0,0\" data-index-in-node=\"0\"\u003eLift Angle\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,10,1,0\"\u003e52°\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,10,2,0\"\u003e52°\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,11,0,0\"\u003e\u003cb data-path-to-node=\"7,11,0,0\" data-index-in-node=\"0\"\u003eShock System\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,11,1,0\"\u003eSeiko Diashock\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,11,2,0\"\u003eSeiko Diashock\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,12,0,0\"\u003e\u003cb data-path-to-node=\"7,12,0,0\" data-index-in-node=\"0\"\u003eDiameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,12,1,0\"\u003e27.4 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,12,2,0\"\u003e27.4 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,13,0,0\"\u003e\u003cb data-path-to-node=\"7,13,0,0\" data-index-in-node=\"0\"\u003eCasing Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,13,1,0\"\u003e29.36 mm (with spacer)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,13,2,0\"\u003e29.36 mm (with spacer)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,14,0,0\"\u003e\u003cb data-path-to-node=\"7,14,0,0\" data-index-in-node=\"0\"\u003eHeight (Thickness)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,14,1,0\"\u003e5.32 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,14,2,0\"\u003e5.32 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,15,0,0\"\u003e\u003cb data-path-to-node=\"7,15,0,0\" data-index-in-node=\"0\"\u003eHand Sizes (H\/M\/S)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,15,1,0\"\u003e1.50mm \/ 0.90mm \/ 0.20mm\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,15,2,0\"\u003e1.50mm \/ 0.90mm \/ 0.20mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,16,0,0\"\u003e\u003cb data-path-to-node=\"7,16,0,0\" data-index-in-node=\"0\"\u003eCountry of Manufacture\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,16,1,0\"\u003eJapan\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,16,2,0\"\u003eJapan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Scce929f9769548d5a1404fbac8282c78S.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1475bc5fea64414cbe0d9e0c5cd4c5680.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sfe4a0e38b20946888c409191c6197c30a.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7e1a20d325804356b1a14304964be374i.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S59fcc2c9a70d44338112701a1c19e45fC.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb7233de66352481398b1767a7dc6c784m.jpg\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003cscript\u003ewindow.adminAccountId=6005049750;\u003c\/script\u003e\u003c\/p\u003e","brand":"Tandorio Watches","offers":[{"title":"YN55","offer_id":51851969298717,"sku":"12000058134521485","price":39.9,"currency_code":"USD","in_stock":true},{"title":"YN56","offer_id":51851969331485,"sku":"12000058134521486","price":44.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/7178\/6269\/files\/Scce929f9769548d5a1404fbac8282c78S.webp?v=1780832046","url":"https:\/\/tandoriowatch.com\/ja\/products\/japanese-original-yn55a-yn56a-precision-automatic-mechanical-movements","provider":"Tandorio Watches","version":"1.0","type":"link"}