{"product_id":"seiko-superior-twin-quartz-9983-8000","title":"Used Seiko Superior Twin Quartz Day Date Vintage Mens Watch 9983-8000","description":"\u003cp\u003e\n✅ \u003cstrong\u003e100% Authenticity Guarantee\u003c\/strong\u003e — If found non-authentic by any authorized boutique, we provide a full refund with no time limit.\u003cbr\u003e\n🛡️ \u003cstrong\u003e3-Month Warranty\u003c\/strong\u003e included on all watches\u003cbr\u003e\n✈️ \u003cstrong\u003eFree Worldwide Shipping\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Pre-owned (Grade B) — Excellent historical condition. The ultra-rare high-end hard metal case showcases crisp factory lines with light micro hairline scratches on the bezel, displaying beautiful structural durability. The original silver dial has aged into a highly desirable, uniform warm cream tropical patina color, creating a magnificent vintage aesthetic character sought after by high-end Seiko collectors worldwide. The original integrated stainless steel bracelet shows authentic vintage stretch but remains completely secure. Hands exhibit micro oxidation under loupe inspection.\u003c\/p\u003e\n\n\u003cp\u003eIntroduced in 1978 as Seiko's absolute flagship pinnacle model, the Seiko Superior Twin Quartz 9983-8000 represented the zenith of quartz accuracy, engineered with dual quartz crystals to achieve an astonishing accuracy rating of +\/- 5 seconds per year. Housed in a scratch-resistant hard alloy metal case with a beautiful textured dial, sharp day-date display, and pristine sapphire crystal, this 35mm executive timepiece accommodates wrist sizes up to an impressive 21cm. A true museum-grade milestone of the Quartz Revolution.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch4\u003e🔍 Condition Assessment\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall:\u003c\/strong\u003e Great Vintage Condition (Grade B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal:\u003c\/strong\u003e Genuine sapphire crystal is perfectly clean, clear, and scratch-free\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase \/ Bezel:\u003c\/strong\u003e High-grade scratch-resistant hard metal alloy with light vintage surface marks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBracelet:\u003c\/strong\u003e Original steel bracelet with minor stretch and hairline scuffs, exceptionally large wrist size up to 21cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial \/ Hands:\u003c\/strong\u003e Dial displays a beautiful uniform tropical aged patina. Luminous hands show minor aging character\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch4\u003e📋 Specifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e SEIKO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Superior Twin Quartz Highest Grade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e 9983-8000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMovement:\u003c\/strong\u003e High-End Twin Quartz (Calibre 9983)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial:\u003c\/strong\u003e Tropical Aged Warm Cream Silver Dial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Size:\u003c\/strong\u003e 35mm (Excluding Crown)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch4\u003e📦 What's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eWatch only (Securely packed in our premium boutique watch pouch)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cem\u003eAll watches are inspected by professional watchmakers before shipment.\u003c\/em\u003e\u003c\/p\u003e","brand":"SEIKO","offers":[{"title":"Default Title","offer_id":53456503374187,"sku":"T00233","price":138000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/4816\/3947\/files\/Seiko_Superior_Twin_Quartz_9983_8000_1.jpg?v=1783187353","url":"https:\/\/rybrandshop.com\/products\/seiko-superior-twin-quartz-9983-8000","provider":"RYBrandshop","version":"1.0","type":"link"}