{"product_id":"iwc-インヂュニア-sl-ref-3505-02-graph-paper-skinny-ingenieur-sl-1980s","title":"IWC Ingenieur SL ref.3505-02 \"Graph Paper\" cal.A\/3753 \/ 1980s, 34mm","description":"\u003cp\u003e— An outline drawn by a master of design —\u003c\/p\u003e\n\u003cp\u003eThe Ingenieur SL Automatic was produced from 1983 to 1990.\u003c\/p\u003e\n\u003cp\u003eThis ref.3505-02 was designed by Gérald Genta.\u003c\/p\u003e\n\u003cp\u003eA watch where IWC's engineering thinking and its sense of beauty are superbly fused.\u003c\/p\u003e\n\u003cp\u003e— A composed size and form —\u003c\/p\u003e\n\u003cp\u003eA 34mm case.\u003c\/p\u003e\n\u003cp\u003eA design integrated with the case raises the level of the detail.\u003c\/p\u003e\n\u003cp\u003eCompact yet substantial, it sits naturally on a modern working wrist — which is why it is called the Skinny Ingenieur.\u003c\/p\u003e\n\u003cp\u003e— A distinctive graph-paper dial —\u003c\/p\u003e\n\u003cp\u003eFine graduations like graph paper — known abroad as a graph paper dial — create a sense of precision.\u003c\/p\u003e\n\u003cp\u003eOriginal tritium is used on the hands and hour markers, keeping a vintage character.\u003c\/p\u003e\n\u003cp\u003e— A calibre marking technical progress —\u003c\/p\u003e\n\u003cp\u003eBuilt on the ETA-based Cal.375, the Cal.A\/3753 carries IWC's first 21k gold rotor.\u003c\/p\u003e\n\u003cp\u003e28,800 vibrations per hour, with a 42-hour power reserve.\u003c\/p\u003e\n\u003cp\u003eA double construction with a soft-iron inner case keeps external magnetism out as far as possible, giving antimagnetic performance of 40,000 A\/m.\u003c\/p\u003e\u003cp\u003eTo book a visit to the WatchTender Ginza store, please see watchtenderginza.com.\u003c\/p\u003e","brand":"IWC","offers":[{"title":"Default Title","offer_id":40523791630465,"sku":null,"price":1280000.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/4313\/6385\/files\/IMG_20251024_153404.jpg?v=1761397715","url":"https:\/\/watchtenderjapan.com\/en\/products\/iwc-%e3%82%a4%e3%83%b3%e3%83%82%e3%83%a5%e3%83%8b%e3%82%a2-sl-ref-3505-02-graph-paper-skinny-ingenieur-sl-1980s","provider":"WatchTender","version":"1.0","type":"link"}