{"product_id":"serviced-rare-vintage-1964-seiko-5-sportsmatic-gold-tone-21-jewels","title":"(SERVICED) Rare Vintage 1964 Seiko 5 Sportsmatic Gold-Tone 21 Jewels","description":"\u003cp\u003eThis serviced Rare Vintage 1964 Seiko 5 Sportsmatic Gold-Tone 21 Jewels is a spectacular example of mid-1960s Japanese horology, embodying the foundational design language and mechanical sophistication of Seiko's earliest automatic Sportsmatic lineup. It is driven by a highly regarded 21-jewel automatic movement, a robust workhorse engineered with Diashock shock protection and Seiko's proprietary automatic winding architecture to deliver the exceptional mechanical longevity and precision that defined the early Seiko 5 legacy. Following a full mechanical service, the caliber operates with optimal efficiency, providing seamless automatic performance, smooth calendar progression, and crisp timekeeping that established the line's landmark prestige.\u003cbr\u003eThe face of the watch features a pristine, factory-original silver-white dial that captures light with sharp precision across its clean surface. A crisp framed day-date window sits at 3 o'clock, highlighting the textbook mid-century geometric symmetry of the layout. The dial is beautifully appointed with vintage cursive Seiko Sportsmatic typography, an applied gold-toned 5 shield, crisp Water Proof Diashock 21 Jewels script with the factory insignia, applied faceted gold-toned baton hour markers with a prominent double index at 12 o'clock, and matching sharp dauphine hands, adding incredible depth, legibility, and warm executive luxury to the bright background.\u003cbr\u003eThe gold-toned case is beautifully preserved, retaining its sharp factory geometry, polished bezel, and smooth lug contours that sit comfortably on the wrist. Highlighting its signature Sportsmatic architecture, this reference incorporates a sleek recessed crown at 4 o'clock, creating a smooth and balanced case profile. Outside of a newly fitted premium dark brown leather strap, the watch head remains entirely authentic and unaltered, retaining its original factory dial, hands, crystal, case, and crown to meet the strict standards of discerning enthusiasts.\u003cbr\u003eCollectors fiercely pursue early 1960s Seiko 5 Sportsmatic models for their historic status as the founding cornerstone of the legendary Seiko 5 series and their quintessential mid-century dress watch aesthetic. While many vintage gold-toned examples from this era show heavy plating wear or dial discoloration over the decades, this pristine, fully serviced specimen with its untouched original head offers a rare opportunity for collectors who appreciate foundational Japanese watchmaking history preserved in its true factory form, a refined and essential piece ready for any serious vintage collection.\u003cbr\u003e\u003c\/p\u003e","brand":"HN Vintage Pieces","offers":[{"title":"Default Title","offer_id":50554882916545,"sku":"WATCH-194","price":265.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/7250\/0161\/files\/IMG_5819.jpg?v=1788347071","url":"https:\/\/hnvintagepieces.com\/products\/serviced-rare-vintage-1964-seiko-5-sportsmatic-gold-tone-21-jewels","provider":"HN Vintage Pieces","version":"1.0","type":"link"}