Description
Seiko quartz wristwatch
Japanese movement — cased in China
“Seiko” (精工) is a Japanese word meaning “precision,” “exquisite workmanship,” or “refined craftsmanship.”
It comes from the characters:
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精 (sei) – fine, precise, refined
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工 (ko) – craft, workmanship
Originally, Seiko’s watchmaking division was called Seikosha (精工舎), meaning “House of Precision.”
The name first appeared on a watch dial in 1924, shortened from Seikosha and keeping the core meaning; the company itself was renamed Hattori Seiko in 1983 and Seiko Corporation in 1990.
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 Spirit — Overview
The Seiko Spirit: A JDM Heritage
The Seiko Spirit line (later folded into the Seiko Selection catalogue) was Seiko’s Japanese-market range of everyday watches: clean three-hand dress layouts, sold through Japanese retailers rather than export channels. The line spanned a wide range of technology, from ordinary quartz to automatics and the solar radio-controlled calibres. Because they were built for the home market, most were never listed in Western catalogues, which is why they turn up abroad second-hand rather than new.
DESCRIPTION
This Seiko Spirit SBTM089 (case reference 7B22-0AX0) is a solar radio-controlled dress watch built for the Japanese market. The case back is engraved MOVEMENT JAPAN / CASED IN CHINA, with a serial beginning 65001 — May of a year ending in 6, so 2006 or 2016.
Architectural Silhouette on the Wrist
The case is drawn with sharp angular lugs and a raised crown guard, and the crown screws down. Under the sapphire crystal, the charcoal-black dial carries applied faceted baton markers and matching faceted baton hands, with the date at 3 o’clock, a printed minute track, and the H/L/Y/N reception indicators around the edge.
Solar power and radio time-setting
The dial doubles as a solar cell, charging from indoor or outdoor light into a rechargeable cell rather than a disposable battery — about six months of running from a full charge, and considerably longer once the power-save function kicks in. Overnight the receiver corrects the time against Japan’s atomic time signal; the reception note below covers what that means outside Japan.
Technical Details & Specifications
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Model Code: Seiko Spirit SBTM089 / 7B22-0AX0 (JDM Exclusive)
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Movement Type: Analog Solar-Drive Quartz with Radio-Controlled Wave Correction
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Caliber Module: Seiko 7B22 (Engineered and Assembled in Japan)
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Dial: Black/charcoal with applied faceted polished indices and hands, date window at 3 o’clock, and H/L/Y/N radio-reception indicators around the perimeter
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Crystal: Sapphire
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Case Material: Stainless steel, with an integrated crown guard and a screw-down crown
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Bracelet: Fitted three-row stainless steel oyster link bracelet with an integrated push-button signed Seiko deployment clasp
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Water Resistance: 10 bar (100 metres / 330 feet), as engraved on the case back
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Power Reserve: Approximately 6 months on a single full charge with built-in automated Power Save depletion mode
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Calendar: Prompt automatic calendar tracking with date window frame at 3 o’clock
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Country of Origin: Movement made in Japan, cased in China (as engraved on the case back)
Comes complete with steel bracelet*. (*)Note: Stock bracelets are often shortened by previous owners and may not fit you(see bracelet size in the product images). We match the strap to this watch’s lug width, so there is nothing for you to measure — just pick a padded leather strap for Seiko from the options at the top of the page.
This watch ships from 🇺🇦 Ukraine with tracking number
Why This Watch?
The Seiko Spirit SBTM089 (Caliber 7B22) holds a very specific appeal for collectors and practical buyers today. While it sits at an accessible price point, it checks several important boxes that make it a highly desirable addition to a watch box:
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An early Seiko solar radio calibre: cal. 7B22 belongs to Seiko’s first generation of combined solar-plus-radio movements — the line of development that later produced the Astron GPS watches. That makes it an interesting piece of the history rather than a rare one.
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True JDM Authenticity: Because the Spirit line was curated strictly for the Japanese domestic market, it bypassed global retail pipelines. Buying one today offers a sense of insider exclusivity and a welcome break from the mass-market models commonly found in Western jewelry chains.
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Japan-only radio reception: cal. 7B22 receives the two Japanese JJY transmitters — 40 kHz from Ohtakadoya-yama and 60 kHz from Hagane-yama — and nothing else. It does not receive WWVB in North America or DCF77 in Europe. Reception reaches roughly 1,000 km from those transmitters, so outside Japan the watch runs as a solar quartz and is set by hand.
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The zero-maintenance watch-box clock: in a collection of mechanicals that wind down, a solar piece stays charged on daylight alone and holds quartz accuracy with no winding, no battery changes and nothing to service.
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Finishing above its price: The sharp, sweeping angular lugs, crown guards, and diamond-polished faceted indices give the watch a more expensive look than its price suggests, and hold up well next to Seiko’s dressier lines.
Modes of payment:
- PayPal
- Credit Cards (VISA, MasterCard, American Express, Discover)
- bitcoin
We guarantee the item you receive looks and works exactly as advertised — or your money back.
Seiko lug-width matched leather straps — 18 / 19 / 20 mm
About the watch factory
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 is one of the few watch companies that is fully 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 2017, Grand Seiko was spun off into its own standalone luxury brand, while Credor remains part of Seiko’s own lineup, sold primarily in Japan. Seiko’s own global lineup now includes Grand Seiko, King Seiko, Prospex, Astron, Presage, and Seiko 5 Sports.
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.
