[AVAILABLE ā
] - Recessed Purity: 1966 Seiko Seikomatic Diashock 26 Jewels (Ref. 6206-8040)
This serviced Rare Vintage 1966 Seiko Seikomatic Diashock Ref. 6206-8040 is a definitive masterpiece of mid-century Japanese executive style, originating from the legendary Seikosha factory line that perfected the full-calendar automatic wristwatch. It is driven by the highly regarded 26-jewel Caliber 6206 automatic movement, a premium workhorse engineered with an impressive jewel count for its era to ensure reduced friction and superior mechanical longevity.
Following a full service, the caliber operates with optimal mechanical performance, delivering the seamless automatic winding efficiency that made the Seikomatic line famous. The silver sunburst dial is in 100% original condition, featuring a highly coveted, symmetrical layout with a framed date window at 3 o'clock and a separate, full-text day window positioned horizontally above the 6 o'clock marker. The sharp applied multi-faceted stick indices and polished dauphine hands remain remarkably crisp, creating an uncluttered, high-grade aesthetic that handles light beautifully.
The stainless steel case remains in excellent condition, retaining its original factory geometry and the fluid, curved lug profiles that give the 8040 reference its distinctive presence on the wrist. Emphasizing its pure automatic design, the watch features a completely recessed crown at 4 o'clock, a signature Seikomatic engineering trait that ensures a seamless, uninterrupted case silhouette. The watch head is entirely factory-correct, keeping its original dial, crystal, case, and crown intact. To refresh its corporate, mid-century look, it has been fitted with a premium black leather strap that perfectly sets off the monochrome brilliance of the dial.
Collectors fiercely pursue the 6206-8040 for its historic full-text day display and its placement within Seiko's golden era of high-end automatic dress watches. This 1966 specimen offers a perfect balance of architectural purity and vintage mechanical depth - a refined and essential cornerstone for any serious vintage Seiko collection.
šµ Price: $285 + $40 shipping (via USPS/Singapore Post)
š³ Payment via PayPal F&F or G&S, Payoneer or Wise
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