{"product_id":"000000008290","title":"IWC Ref. 817A, screw-back case, \"Fish\" crown, Cal. 8541 automatic movement, serviced, circa 1969.","description":"\u003cp\u003eThis is a 1969 \"IWC\" automatic model, \u003cstrong\u003eRef. 817A\u003c\/strong\u003e.\u003cbr\u003e\n\u003cbr\u003e\nWith a case diameter of 35.8mm, it is relatively large for an IWC from the same era.\u003cbr\u003e\nIt is a rare model featuring a screw-back case.\u003cbr\u003e\nThe crown is \u003cstrong\u003egenuine IWC with the \"fish\" logo\u003c\/strong\u003e.\u003cbr\u003e\n\u003cbr\u003e\nThe dial features a \u003cstrong\u003esunburst finish\u003c\/strong\u003e, giving it an elegant shimmer depending on the angle.\u003cbr\u003e\nAt the 12 o'clock position, the applied \"IWC\" logo and the \"\u003cstrong\u003eInternational Watch Co\u003c\/strong\u003e\" company name in script are both present, creating a true vintage aesthetic.\u003c\/p\u003e\n\n\u003cp\u003eIt is powered by the Pellaton automatic movement, \"Cal. 8541.\"\u003cbr\u003e\nCompared to the previous Cal. 8531, this movement is thinner and features a quick-set date function (by toggling between 0:00 and 23:45), and manual winding capability, making it highly practical.\u003c\/p\u003e\n\n\u003ch4\u003eHow to operate\u003c\/h4\u003e\n\n\u003cp\u003e\u003cstrong\u003eManual winding:\u003c\/strong\u003e Turn clockwise while the crown is in the standard position.\u003cbr\u003e\n\u003cbr\u003e\n\u003cstrong\u003eTime setting:\u003c\/strong\u003e Pull out the crown and turn clockwise.\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 toggle between \"23:45 and 24:00\" while in time-setting mode.\u003c\/p\u003e\n\n\u003cp style=\"margin-left: 40px;\"\u003e1) Advance the hands until the time passes midnight (24:00).\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 23:45.\u003cbr\u003e\n　　This prepares the watch to advance to the next day's date.\u003cbr\u003e\n\u003cbr\u003e\n3) Advance the hands forward to 24:00.\u003cbr\u003e\n　　Confirm that the date has advanced by one day.\u003cbr\u003e\n\u003cbr\u003e\nBy repeating steps 1) through 3), you can advance the date one day at a time.\u003cbr\u003e\nPlease operate slowly to reduce the strain on the movement.\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 has been refinished\u003c\/span\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe dial has an overall patina, giving it a nice character.\u003cbr\u003e\nThe crystal has minor scratches that could not be polished out, but visibility of the dial remains good.\u003c\/p\u003e\n\n\u003cp\u003eCrown operation is smooth.\u003cbr\u003e\n\u003c\/p\u003e\u003cp\u003eThe strap is an aftermarket alligator leather strap with a 20mm lug width.\u003cbr\u003e\nAlthough there are signs of wear such as creases and rubbing, it is still in usable condition.\u003cbr\u003e\nThe buckle is genuine IWC with a 15mm width. There are scratches and dings on the buckle.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan class=\"marker\"\u003eDue to its age, this watch is not waterproof.\u003cbr\u003e\nPlease avoid wearing it on rainy days or during hot weather.\u003c\/span\u003e\u003cbr\u003e\n\u003cspan class=\"marker\"\u003ePlease also be careful to avoid shocks and magnetic fields.\u003c\/span\u003e\u003c\/p\u003e","brand":"WATCH COLLE","offers":[{"title":"Default Title","offer_id":56190285971761,"sku":"000000008290-001","price":0.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1001\/4939\/5761\/files\/2_000000008290.jpg?v=1788947088","url":"https:\/\/watch-colle.com\/en\/products\/000000008290","provider":"WATCH COLLE","version":"1.0","type":"link"}