Seiko

Vintage Seiko Automatic vs Quartz: Which Should You Buy?

A practical comparison of vintage Seiko automatic and quartz watches, including running costs, accuracy, ownership and real photographed examples.

Best Vintage Seiko Watches for Beginners

Six practical vintage Seiko starting points for beginners, with photographed VWS examples, real case measurements and reasons to choose each.

Vintage Seiko 5 Buying Guide

Learn what to inspect before buying a vintage Seiko 5: reference, original dial, case shape, movement, calendar, service history and wrist fit.

Seiko 6139 vs 6138: Vintage Automatic Chronographs Compared

Compare Seiko 6139 and 6138 automatic chronographs, their timing registers, winding systems and buying checks using original VWS archive watches.

Seiko 6306 vs 6309

Compare the Seiko 6306 and 6309 movements, Turtle diver references and lesser-known Actus and dress-watch models.

Vintage Seiko Day-Date Discs: Kanji, Bilingual Calendars & Variations

Discover how vintage Seiko bilingual day wheels work, which languages collectors encounter and why setting differs by caliber.

Vintage Seiko Case Shapes: TV, Square, Cushion & Tonneau

Explore four distinctive vintage Seiko case shapes with original reference examples, photographs, fit considerations and identification tips.

Seiko Caseback Codes Explained

Identify vintage Seiko caliber–case references, dial codes, material stamps and other markings—and learn what the caseback cannot prove.

Vintage Seiko Chronograph History: From 6139 to 7A38 & 7A48

Trace Seiko chronograph innovation from early mechanical stopwatch watches to the multi-register analog quartz era, with real archival examples.

1970s Vintage Seiko Watches: Designs, Movements & History

Discover how Seiko’s 1970s watches combined automatic chronographs and day-date classics with quartz, SQ and digital innovations.

Seiko Sports 150: Models, Features & History

Explore the 1980s Seiko Sports 150 chronographs, comparing real 7A38-7130 and 7A38-713A watches, case details, quartz functions and collecting checks.

Seiko AGS: History of the Automatic Generating System

How Seiko AGS turned wrist motion into electricity, from the 1988 launch to Kinetic. Explore 5M22 technology and two original 1990s archive watches.

Seiko Sports 100: Models, Features & History

Explore Seiko Sports 100 models through original 1984–1986 VWS watches, 7A48 moon-phase chronograph features, identification and buying checks.

Vintage Seiko Accuracy Explained: What Is Normal?

What vintage Seiko accuracy numbers mean, how to measure the real daily rate and why one timegrapher figure is not a long-term guarantee.

Seiko Magic Lever Explained: How Automatic Winding Works

How Seiko’s Magic Lever converts rotor motion into mainspring power, from the 1959 Gyro Marvel to real VWS vintage automatic movement photographs.

Vintage Seiko Quartz Watches Explained

An evidence-led explanation of vintage Seiko quartz technology, key period examples, battery risks and movement-specific maintenance.

How to Choose a Birth-Year Vintage Seiko Watch

A step-by-step birth-year vintage Seiko guide covering caseback and serial-date evidence, decade ambiguity, originality, fit and gift-worthy examples.

How Much Is a Vintage Seiko Watch Worth?

A condition-first vintage Seiko valuation method explaining asking versus sold prices, authenticity, repair costs and real VWS catalog examples.

Vintage Seiko Watch Sizes: A Guide to 34–40 mm Cases

A practical 34–40 mm vintage Seiko sizing guide with real VWS case and lug-to-lug measurements, bracelet fit considerations and original watch photos.

Are Vintage Seiko Watches Reliable Today?

A condition-led guide to vintage Seiko reliability: common mechanical and quartz risks, service evidence and what to check before everyday wear.

Seiko 7009 vs 7S26: Comparing Two Popular Automatic Movements

Compare Seiko 7009 and 7S26 movements through factory specifications, day-date functions, service questions and original VWS watch photography.

Seiko Lord Matic vs Seiko 5

Understand what separates vintage Lord Matic and Seiko 5 watches, from movement functions to designs and buying checks.