SEIKO vintage quartz 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.

🕰️ Seiko King Quartz line – Overview

Introduced in 1975, the Seiko King Quartz line represents the absolute pinnacle of Japanese everyday luxury from the golden age of the “Quartz Crisis.” Positioned just beneath the flagship Grand Quartz and Superior lines in Seiko’s luxury hierarchy, the King Quartz line was developed during an era when premium quartz movements were incredibly advanced, meticulously over-engineered, and priced as true status symbols. Both of Seiko’s legendary competing factories—Suwa Seikosha and Daini Seikosha—produced distinct movements for the line, aiming to outdo each other in precision. The early single-quartz calibers (such as the 08, 48, and 58 series) achieved an astonishing accuracy of +-10 seconds per month, which was later tightened to a mind-blowing +-20 seconds per year with the introduction of Twin Quartz technology in 1979.
Beyond their cutting-edge accuracy, King Quartz watches were highly regarded for their top-tier craftsmanship, characterized by ultra-thin profiles, independent external battery hatches, and striking, artisanal dial textures. The line was ultimately retired in 1985, leaving behind a legacy of unrivaled high-accuracy timekeeping and sharp, late-70s aesthetic design.

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DESCRIPTION

Step back into the golden era of the “Quartz Crisis”—a time when Seiko didn’t just compete, they dominated by engineering movements of unmatched precision wrapped in high-end, luxury designs. This stunning 1978 Seiko King Quartz (Ref. 5856-5010) represents the absolute pinnacle of JDM (Japanese Domestic Market) everyday luxury from the late 1970s.

What makes this specific piece a showstopper is its breathtaking deep blue “Linen/Tapestry” texture dial. Unlike flat paint, the vertical micro-textures catch the light dynamically, shifting from an oceanic navy to a stark, moody midnight blue. Framed by a uniquely sculpted, TV-style cushion case and paired with its iconic, seamlessly integrated “brick-link” stainless steel bracelet, this watch hugs the wrist with thin, ergonomic perfection. Complete with its practical day/date complication and a dedicated external battery hatch, it’s a perfect blend of high-end vintage aesthetics and grab-and-go quartz reliability.

Technical Details

• Model: Seiko King Quartz Ref. 5856-5010

• Era / Production Date: September 1978 (JDM Production)

• Movement: High-Grade Seiko Caliber 5856A Quartz (8 Jewels)

• Case Dimensions: Approx. 34.5mm width (excluding crown) x 39.2mm lug-to-lug

• Thickness: Ultra-slim 8.6mm profile

• Case Material: Stainless Steel (cushion/TV shape shape with original factory brushed and polished facets)

• Dial: Deep Blue Tapestry/Linen texture with applied silver indices and the applied applied twin-quartz/King Quartz lightning bolt logo

• Complications: Day/Date window at 3 o’clock (English/Kanji dual language wheel)

• Bracelet: Original integrated stainless steel multi-link “brick” style bracelet with adjustable signed clasp (Ref. XQB 460L end-pieces)

• Caseback Features: Solid screw-down style featuring an independent external battery hatch for effortless power cells changes

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

Comes complete with original steel bracelet*.

(*)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.

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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.