Introduction: A significant piece of horological history, this Seiko QR (Ref. 3863-7001) dates back to 1973, the early years of the "Quartz Revolution." During this era, Seiko's QR series was a high-end line, showcasing the brand's pioneering quartz technology and superior craftsmanship. This model features a classic round stainless steel case and a sophisticated silver dial, embodying the clean, functional design of the 1970s. A true gem for vintage Seiko enthusiasts. Condition Report: Status: [ Working ] (Currently operational and maintaining time as expected for a vintage quartz movement.) Cosmetic: The watch is in good vintage condition (Rank B). It shows honest signs of wear, including minor hairline scratches on the case and bracelet, which are appropriate for its age. The dial remains in beautiful condition, preserving its original luster. Specs: Case Size: Approx. 36mm (excluding crown) Wrist Size: Approx. 18.0cm Material: Stainless Steel (Case & Bracelet) Movement: Early High-Grade Quartz (Cal. 3863) Maintenance: The watch has been cleaned and the exterior has been carefully wiped to ensure it is ready for immediate collection or wear. Accessories: None (Watch only) Internal Ref: 25-569