Introduction: This vintage SEIKO 3863-7001 is a remarkable piece from the iconic "QR" series, representing the pinnacle of early quartz technology from the 1970s. Featuring a classic round case in a sophisticated gold tone and a beautifully textured linen-style dial, this timepiece exudes timeless elegance. The Day-Date complication adds practical functionality to its vintage charm, making it a perfect addition for both serious collectors and daily wearers who appreciate Japanese horological history. Condition Report: Status: [ Working ] * Cosmetic: Rated as Rank A (Good condition for a vintage pre-owned item). The watch shows minor signs of use consistent with its age but has been well-preserved. The gold tone remains vibrant, and the overall aesthetic is clean. Specs: Case Size: 38.0 mm (excluding crown) / 33.7 mm (vertical) Wrist Size: Approximately 18.0 cm (7.09 inch) Material: Gold-plated Stainless Steel Maintenance: * New Battery: Recently replaced with a fresh battery. Cleaning: Professionally cleaned and sanitized. Accessories: No original box or papers included. Internal Ref:25-887