{"product_id":"serviced-rare-vintage-1961-seiko-sportsmatic-calendar-egp-19-jewels","title":"(SERVICED) Rare Vintage 1961 Seiko Sportsmatic Calendar EGP 19 Jewels","description":"\u003cp\u003eThis serviced Rare Vintage 1961 Seiko Sportsmatic Calendar EGP 19 Jewels is a spectacular example of early-1960s Japanese horology, embodying the foundational design language and mechanical sophistication of Seiko's pioneering automatic calendar dress watches from the dawn of the decade. It is driven by the highly regarded 19-jewel automatic movement, a robust early workhorse engineered with Diashock shock protection and Seiko's innovative automatic winding architecture to deliver the exceptional mechanical longevity and precision that defined the Sportsmatic legacy. Following a full mechanical service, the caliber operates with optimal efficiency, providing seamless automatic performance, smooth date progression, and crisp timekeeping that established the line's landmark prestige.\u003cbr\u003eThe face of the watch features a pristine, factory-original sunburst silver dial that captures light with sharp precision across its radiant surface. A crisp framed 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 Calendar typography, crisp Diashock 19 Jewels script, applied faceted gold-toned baton hour markers with a prominent double index at 12 o'clock, and matching razor-sharp dauphine hands, adding incredible depth, legibility, and warm executive luxury to the classic background.\u003cbr\u003eThe gold-plated case is beautifully preserved, retaining its sharp factory geometry, polished bezel, and graceful lug contours that sit comfortably on the wrist. Highlighting its signature early 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 textured black 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 Sportsmatic Calendar models for their historic significance as one of Seiko's earliest automatic date-equipped dress watches and their timeless mid-century aesthetic. While many gold-plated examples from this era show heavy wear or degraded dials over the decades, this pristine, fully serviced specimen with its untouched original head offers a rare opportunity for collectors who appreciate foundational Japanese horological history preserved in its true factory form, a refined and essential cornerstone ready for any serious vintage Seiko collection.\u003cbr\u003e\u003c\/p\u003e","brand":"HN Vintage Pieces","offers":[{"title":"Default Title","offer_id":50554883539137,"sku":"WATCH-206","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/7250\/0161\/files\/IMG_5966.jpg?v=1788357188","url":"https:\/\/hnvintagepieces.com\/products\/serviced-rare-vintage-1961-seiko-sportsmatic-calendar-egp-19-jewels","provider":"HN Vintage Pieces","version":"1.0","type":"link"}