Skip to content
The Seiko Guy
  • Home
  • Grand Seiko
    • Vintage Grand Seiko
    • Grand Seiko Spring Drive
    • Grand Seiko Movements
  • Diver’s
    • Seiko 62MAS
    • Seiko Turtle
    • Seiko SKX
    • Seiko Monster
    • Seiko Sumo
    • Seiko Samurai
    • Seiko Shogun
    • Seiko Save The Ocean
    • Zimbe
  • Guides
    • How to buy Seiko watches from Japan
    • Laurel
    • Quartz-Astron 35SQ
    • Seiko Cocktail Time
  • Archive
    • Catalogs
    • Seiko News/Sales
    • Press Releases

Seiko Caliber 6431

Technical information (Japan)

watch movement technical informationwatch movement technical informationwatch movement technical information

Technical information (World)

watch movement technical informationwatch movement technical informationwatch movement technical informationwatch movement technical information

Watches with the 6431 movement

6431-5000
6431-5010
6431-5020
6431-5030
6431-5040
6431-5050
6431-5060
6431-5070
6431-5080
6431-5090
6431-5100
6431-5110
6431-5120
6431-5129
6431-5130
6431-5139
6431-5140
6431-5150
6431-5160
6431-5170
6431-5180
6431-5190
6431-6000
6431-6010
6431-6020
6431-6030
6431-7000

About “The Seiko Guy”

Hey, nice to see you here!
My name is Andrea Secco, I’m a watch enthusiast and a Seiko collector.
I hope this website will be useful to all of you who share this passion.

Andrea Secco

  • Italiano
  • Español
  • Français
  • Japanese
  • Deutsch
  • Português
  • ไทย
  • Bahasa Melayu

Recent Posts

  • Where are Seiko watches made?
  • King Seiko VANAC
  • Seiko Lord MarvelSeiko Lord Marvel
  • Seiko WatchesThe History of Seiko Wristwatches
  • Seiko Five SportsHistory of the Seiko 5 Sports

This website is the work of a watch enthusiast and a collector of Seiko and Grand Seiko timepieces, and it is not affiliated with Seiko in any way.

© 2025 The Seiko Guy - Privacy Policy
Scroll back to top