{"product_id":"000000008258","title":"IWC Ref. 820A, screw-back case, \"fish\" crown, Cal. 8541B automatic movement, serviced, circa 1970.","description":"\u003cp\u003eThis is a 1970 IWC automatic model, \u003cstrong\u003eRef. 820A\u003c\/strong\u003e.\u003cbr\u003e\n\u003cbr\u003e\nAt 36mm in diameter, it is relatively large for an IWC from this period.\u003cbr\u003e\nMeasuring approximately 45mm lug-to-lug, it has a notable presence on the wrist.\u003cbr\u003e\n\u003cbr\u003e\nIt is a rare model featuring a screw-back case.\u003cbr\u003e\nThe crown is \u003cstrong\u003egenuine IWC and features the \"fish\" logo\u003c\/strong\u003e.\u003cbr\u003e\n\u003cbr\u003e\nThe dial has a \u003cstrong\u003esunburst finish\u003c\/strong\u003e, allowing it to shine elegantly depending on the angle.\u003cbr\u003e\nAt the 12 o'clock position, it features both an applied \"IWC\" logo and the company name \"\u003cstrong\u003eInternational Watch Co\u003c\/strong\u003e\" in script, creating a classic vintage atmosphere.\u003cbr\u003e\n　\u003c\/p\u003e\n\n\u003cp\u003eIt is powered by the Pellaton automatic movement, \u003cstrong\u003eCal. 8541B\u003c\/strong\u003e.\u003cbr\u003e\nThinner than previous movements, this is considered the most practical of the Pellaton automatic calibers.\u003cbr\u003e\nIt features a \u003cstrong\u003ehacking seconds function\u003c\/strong\u003e, \u003cstrong\u003equick-set date\u003c\/strong\u003e, and \u003cstrong\u003emanual winding\u003c\/strong\u003e, making it highly practical.\u003c\/p\u003e\n\n\u003ch4\u003eOperation Instructions\u003c\/h4\u003e\n\n\u003cp\u003e\u003cstrong\u003eManual Winding\u003c\/strong\u003e: With the crown in the normal position, rotate upwards.\u003cbr\u003e\n\u003cbr\u003e\n\u003cstrong\u003eTime Setting\u003c\/strong\u003e: Pull out the crown and rotate upwards.\u003c\/p\u003e\n\n\u003cp style=\"margin-left: 40px;\"\u003eThe second hand will stop.\u003c\/p\u003e\n\n\u003cp\u003e\u003cbr\u003e\n\u003cstrong\u003eQuick-set Date\u003c\/strong\u003e: Pull out the crown and move the hands back and forth between 11:45 PM and 12:00 AM.\u003c\/p\u003e\n\n\u003cp style=\"margin-left: 40px;\"\u003e1) Advance the hands until the time passes 12:00 AM.\u003cbr\u003e\n　　If the date changes, it is midnight. If it does not, it is noon.\u003cbr\u003e\n\u003cbr\u003e\n2) Once you have confirmed the date has changed, move the hands back to 11:45 PM.\u003cbr\u003e\n　　This preps the calendar for the next day.\u003cbr\u003e\n\u003cbr\u003e\n3) Advance the hands to 12:00 AM.\u003cbr\u003e\n　　Confirm that the date has advanced by one day.\u003cbr\u003e\n\u003cbr\u003e\nRepeat steps 1) through 3) to advance the date one day at a time.\u003cbr\u003e\nTo reduce stress on the movement, please operate slowly.\u003c\/p\u003e\n\n\u003ch4\u003eCondition\u003c\/h4\u003e\n\n\u003cp\u003eThis watch has been \u003cstrong\u003e\u003cspan class=\"marker\"\u003eoverhauled and the exterior polished\u003c\/span\u003e\u003c\/strong\u003e by our shop.\u003cbr\u003e\n\u003cbr\u003e\nThe dial has aged nicely throughout, creating a pleasant vintage look.\u003cbr\u003e\nThe inner ring at the periphery of the dial shows areas that appear gold due to fading.\u003cbr\u003e\nThere are also some pinhead-sized marks on the inner ring, but they are not very noticeable.\u003cbr\u003e\n\nWhile the crystal has minor scratches that could not be fully removed during polishing, the dial remains clearly visible.\u003cbr\u003e\n\u003cbr\u003e\nCrown operation is smooth.\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan class=\"marker\"\u003eDue to its age, this watch is not waterproof.\u003cbr\u003e\nPlease avoid wearing it on rainy or hot days.\u003c\/span\u003e\u003cbr\u003e\n\u003cspan class=\"marker\"\u003ePlease also be careful to avoid shocks and magnetic fields while using the watch.\u003c\/span\u003e\u003c\/p\u003e","brand":"WATCH COLLE","offers":[{"title":"Default Title","offer_id":56190270701873,"sku":"000000008258-001","price":0.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1001\/4939\/5761\/files\/1_000000008258.jpg?v=1788946991","url":"https:\/\/watch-colle.com\/en\/products\/000000008258","provider":"WATCH COLLE","version":"1.0","type":"link"}