Vintage Seiko Sportsmatic Deluxe with Sunburst Silver Dial from October 1966

SEIKO vintage mechanical watch
MADE IN JAPAN

“Seiko” (精工) is a Japanese word meaning “precision,” “exquisite workmanship,” or “refined craftsmanship.”
It comes from the characters:

• 精 (sei) – fine, precise, refined

• 工 (ko) – craft, workmanship

Originally, Seiko’s watchmaking division was called Seikosha (精工舎), meaning “House of Precision.”
In 1924 the company shortened the name to Seiko, keeping the core meaning.

So the brand name literally ties directly to the idea of precision engineering—which is exactly what the company wanted to be known for in its watches.

🕰️The Era of Practical Luxury: The Sportsmatic Deluxe

Introduced by Seiko in the mid-1960s as an elevated tier of their highly successful automatic line, the Sportsmatic Deluxe brought a distinct touch of luxury to dependable daily timekeeping. Positioned above the entry-level models, the Deluxe series is defined by its enhanced case finishing, premium 23-jewel movements, and high-spec dial detailing. It represents a vital transitional chapter in Seiko’s mid-century design evolution, paving the way for the iconic “5” series standards while retaining the elegant, standalone aesthetic geometry unique to the Daini Seikosha factory productions.

Technical Specifications

• Brand: Seiko

• Model: Sportsmatic Deluxe

• Reference Number: 7605-8010

• Serial Number: 6002791 (Manufactured October 1966)

• Movement: Factory-original Caliber 7605A automatic, 23 jewels, Diashock shock protection system (as detailed in image_0ce483.jpg)

• Case Material: Solid stainless steel

• Case Diameter: ~36.5mm (excluding hidden crown)

• Lug Width: 19mm

• Dial: Original silver dial with radial sunburst finish, applied faceted block hour indices, and framed date window at 3 o’clock featuring an integrated magnifying cyclops element

• Caseback: Screwdown stainless steel caseback featuring the classical stamped Seiko dolphin medallion motif and “Water Proof / SS” markings

• Crown: Recessed crown positioned at the 4 o’clock profile line to maintain a clean, flush mid-case silhouette

Watch went through a complete service by a professional watch tech and keeps good time.

Comes complete with padded leather strap.

(*)Note: Stock bracelets are often shortened by previous owners and may not fit you(see bracelet size in the product images). We recommend adding a new Seiko lug width matched leather strap with your order.

Why Collectors and Enthusiasts Covet This Watch Today

• The Rarer 7605 Date-Only Caliber: While vintage “Sportsmatic 5” day-date models are widely available, the deluxe date-only configuration driven by the 23-jewel Caliber 7605A is highly distinct and considerably harder to come by. It offers a clean, symmetrical aesthetic that appeals strongly to minimalist design purists.

• Mid-Century JDM Styling: Featuring a stunning radial sunburst dial, sharp multi-faceted block indices, and an integrated date cyclops magnification window, this watch perfectly embodies the upscale design grammar coming out of the Daini factory during the golden era of Japanese watchmaking.

• The Iconic Dolphin Caseback: A signature hallmark of premium 1960s Seiko sports watches, the deeply engraved caseback medallion featuring the stylized dolphin is a highly sought-after, collectible detail that gives this piece immediate historical presence.

• True “Hidden” Ergonomics: Engineered around the philosophy that a reliable automatic watch shouldn’t require manual winding, the crown is completely recessed into the 4 o’clock profile line, giving the solid stainless steel case an uninterrupted, flush mid-century silhouette.

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We guarantee that the item in this ad looks and works as advertised and offer money back guarantee on this.

Seiko Group Corporation (セイコーグループ株式会社, Seikō Gurūpu kabushiki gaisha), commonly known as Seiko, is a Japanese maker of watches, clocks, electronic devices, and semiconductors. Founded in 1881 by Kintarō Hattori in Tokyo, Seiko introduced the world’s first commercial quartz wristwatch in 1969.

Seiko is widely known for its wristwatches. Seiko and Rolex are the only two watch companies considered to be vertically integrated. Seiko is able to design and develop all the components of a watch, as well as assemble, adjust, inspect and ship them in-house. Seiko’s mechanical watches consist of approximately 200 parts, and the company has the technology and production facilities to design and manufacture all of these parts internally.

Seiko offers one of the widest ranges of watch technologies in the world—quartz, kinetic, solar, mechanical, and Spring Drive—spanning everything from affordable everyday pieces to six-figure haute horlogerie. Over the decades it has launched multiple global brands, including Lorus, Pulsar, and Alba, while elevating its prestige through innovations like Spring Drive, which helped push Seiko into higher-end territory. In the 2010s, Grand Seiko and Credor were separated into fully independent luxury brands, while Seiko’s own global lineup now includes Grand Seiko, King Seiko, Prospex, Astron, Presage, and Seiko 5 Sports, with Credor remaining primarily Japan-focused.

Among Seiko’s key lines, Seiko 5 (born in 1963) is the gateway mechanical series known for durability and value; Lord Matic defined 1970s style with faceted crystals and colorful dials; Astron remains Seiko’s flagship GPS-solar tech line; Presage focuses on traditional mechanical craftsmanship with enamel and urushi dials; and Prospex delivers professional-grade dive, field, and pilot watches often embraced by enthusiasts. At the top end, Grand Seiko emphasizes precision, Zaratsu polished design, and movements like Spring Drive, while King Seiko—revived in the 2020s—brings back sharp, elegant 1960s styling with modern calibres.

Finally, Credor represents Seiko’s pinnacle of artisanal watchmaking, producing low-volume pieces in precious metals and showcasing Japanese decorative arts and haute complications from the Micro Artist Studio. Beyond watches, Seiko has also produced various electronic devices and, historically, jewelry and eyewear—though those divisions have since shifted to other companies.