{"product_id":"seiko-動作-45gs-グランドセイコー-grand-seiko-hi-beat-36000-ヴィンテージ-手巻-25石-メンズ腕時計-ref-4522-8000-保あり","title":"【SEIKO】 Working 45GS Grand Seiko Hi-Beat 36000 Vintage Manual Winding 25 Jewels Men's Watch Ref.4522-8000 With Warranty","description":"\u003cp\u003e□Our store's unique warranty for peace of mind: 30-day operation guarantee from arrival. Management number:\u003c\/p\u003e\n\u003cp\u003eAfter extensive operation testing, the item has been cleaned and then listed.\nThis item was non-operational when acquired, but has been restored to working condition by a watchmaker.\u003c\/p\u003e\n\u003cp\u003eThis is a highly regarded vintage Grand Seiko model featuring Seiko's acclaimed 45GS movement (manual-winding Cal. 4522A). Manufactured from the late 1960s to early 1970s,\nit features one of Seiko's first high-beat mechanical movements, oscillating at 36,000 vibrations per hour, offering extremely high precision. The individual piece listed is housed in a gold-plated stainless steel case and retains its original GS-signed crown and case back with gold medallion.\u003c\/p\u003e\n\u003cp\u003eBrand: Seiko\u003cbr\u003eLine: Grand Seiko\u003cbr\u003eModel Number: 4522-8000\u003cbr\u003eCase Material: Stainless Steel\u003cbr\u003eCase Diameter: Approx. 36.4 mm (excluding crown) x 41.3 x 9.1 mm thick\u003cbr\u003eDial Color: Silver\u003cbr\u003eHands: Silver dauphine hands, center seconds\u003cbr\u003eCrown: Original with GS signature\u003cbr\u003eCase Back: Gold medallion (with \"GS\" emblem and Seiko engraving)\u003cbr\u003eBand: New black leather strap (non-original)\u003cbr\u003eLug Width: 18 mm\u003c\/p\u003e\n\u003cp\u003eCondition Rank: Good (Vintage Condition)\u003c\/p\u003e\n\u003cp\u003eThe date function is also working correctly.\u003cbr\u003e[Operation] Timegrapher results: Daily rate +18 seconds\/day, amplitude 209°, beat error 0.2 ms.\u003c\/p\u003e\n\u003cp\u003e[Dial] Original, with uniform aging due to age and a slight vintage patina.\u003cbr\u003e[Hands\/Indexes] Good condition, clean and original.\u003cbr\u003e[Crystal] Light scratches and signs of age, but no cracks.\u003cbr\u003e[Case] Minor scratches and slight wear on the overall surface. The most noticeable ding is on the bezel (see photos).\u003cbr\u003e[Movement] Clean and operating smoothly.\u003cbr\u003e[Case Back] Medallion and engravings remain clear.\u003c\/p\u003e\n\u003cp\u003eWhile there are no operational issues currently,\nas this is a vintage item, we recommend regular maintenance and overhauls for practical use.\u003c\/p\u003e\n\u003cp\u003eWe have photographed the condition in as much detail as possible, but if you have any questions, please inquire before purchasing.\u003c\/p\u003e\n\u003cp\u003e### Important Notes\u003c\/p\u003e\n\u003cp\u003e* Water Resistance: Water resistance has not been tested. Please be aware that due to age, the original water resistance may not be maintained.\u003cbr\u003eWe photograph the condition of the product as clearly as possible, but if you have any questions, please be sure to check before payment.\u003c\/p\u003e\n\u003cp\u003eRegarding shipping:\u003cbr\u003ePlease select from the specified methods.\u003c\/p\u003e\n\u003cp\u003eIf a defect not described is found during re-inspection at the time of shipment, the transaction will be cancelled.\u003c\/p\u003e\n\u003cp\u003eAntiquarian dealer's license: Hokkaido Public Safety Commission No. 101010000474\u003c\/p\u003e","brand":"大山商店","offers":[{"title":"Default Title","offer_id":42205830152267,"sku":"P62086","price":189980.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/9914\/9899\/files\/20260313_101346_DSC_2102.jpg?v=1773378158","url":"https:\/\/008ma.com\/en\/products\/seiko-%e5%8b%95%e4%bd%9c-45gs-%e3%82%b0%e3%83%a9%e3%83%b3%e3%83%89%e3%82%bb%e3%82%a4%e3%82%b3%e3%83%bc-grand-seiko-hi-beat-36000-%e3%83%b4%e3%82%a3%e3%83%b3%e3%83%86%e3%83%bc%e3%82%b8-%e6%89%8b%e5%b7%bb-25%e7%9f%b3-%e3%83%a1%e3%83%b3%e3%82%ba%e8%85%95%e6%99%82%e8%a8%88-ref-4522-8000-%e4%bf%9d%e3%81%82%e3%82%8a","provider":"大山商店","version":"1.0","type":"link"}