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 7T42

Technical information

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

Watches with the 7T42 movement

7T42-6A00
7T42-6A0A
7T42-6A0B
7T42-6A10
7T42-6A20
7T42-6A49
7T42-6A50
7T42-6A5A
7T42-6A60
7T42-6A6A
7T42-7A00
7T42-7A10
7T42-7A20
7T42-7A2A
7T42-7A39
7T42-7A40
7T42-7A4A
7T42-7A4B
7T42-7A50
7T42-7A5A
7T42-7A5B
7T42-F010
7T42-F01A

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