Description
SEIKO automatic 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.”
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.
🕰️ The Seiko 5 Line
The Seiko 5 is one of the most enduring names in mechanical watchmaking — a line in continuous production since 1963, making it one of the longest-running watch series in the industry. The “5” in the name refers to five key attributes Seiko considered essential: automatic winding, a day-date display, water resistance, a recessed crown at 4 o’clock, and a durable case and bracelet.
What makes the Seiko 5 remarkable isn’t any single technical breakthrough — it’s the philosophy behind it. Seiko set out to make reliable, fully-featured automatic watches accessible to ordinary people, and the Seiko 5 has delivered on that promise for over six decades. From Tokyo salarymen in the 1960s to watch enthusiasts worldwide today, the line has served as an introduction to mechanical watchmaking for millions.
The calibres have changed over the decades — from the Sportsmatic 5 that started the line in 1963, through the 6309, 7009 and this 7S26, to the current 4R36 — but the core idea hasn’t changed: a self-winding watch with day-date, built to be worn daily and priced so anyone can own a proper mechanical timepiece.
The SNK3xx models sit at the dress end of the Seiko 5 range: a 37 mm case with a flat bezel, applied markers and a five-link bracelet, rather than the field-watch look of the SNK8xx series. They share the 7S26 movement and the same 01V0 case with each other — what separates one model number from the next is the dial.
About This Watch
This Seiko 5 is a clean, unfussy dress watch. The case is stamped 7S26-01V0 and the dial is coded 7S26-04L4, which together identify it as the SNK363. The silver dial is embossed with a repeating Seiko 5 shield motif that only shows itself at an angle, with applied polished batons carrying lume plots, an applied 5 shield under the Seiko name, and a day-date window at 3 o’clock. At 37 mm across and about 11 mm thick it sits in the smaller half of the modern Seiko range, and reads clearly at a glance.
Under the exhibition case-back the 7S26C calibre does its quiet, reliable work — 21 jewels, no-frills automatic winding with no hand-winding and no hacking, and the kind of dependability that made this one of Seiko’s most produced movements. The C suffix puts this example at 2011 or later.
The stainless steel jubilee-style bracelet gives the watch its dress character — five-link construction with alternating brushed and polished surfaces, on a folding clasp signed SEIKO JAPAN.
Technical Specifications
- Brand: Seiko
- Line: Seiko 5
- Model: SNK363 (case 7S26-01V0 + dial 04L4)
- Reference Number: 7S26-01V0
- Production: 2011 or later (movement marked 7S26C)
- Movement: Seiko Caliber 7S26C — 21 jewels, automatic (self-winding); no hand-winding, no hacking
- Frequency: 21,600 bph (6 beats per second)
- Power Reserve: Approximately 41 hours
- Case Material: Stainless steel
- Case Diameter: 37mm
- Case Thickness: ~11mm
- Crystal: Hardlex mineral crystal
- Dial: Silver, embossed with a repeating Seiko 5 shield motif; applied polished batons with lume plots
- Day-Date Display: Day and date at 3 o’clock
- Caseback: Exhibition (transparent) screw-down
- Water Resistance: 30 meters (3 ATM)
- Bracelet: Stainless steel jubilee-style, 18mm lug width
- Crown: Pull/push at 4 o’clock
- Country of Manufacture: Japan
This watch has recently been serviced by a professional watchmaker 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 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
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 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.
