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 7810-5109 Watch Guide

The Seiko 7810-5109 is a watch model based on the 7810 movement.

Parts List

SA2N20GN00crystal
0H2520B01case back gasket
0Z2695L01case back gasket

Caliber 7810

Caliber manual pageCaliber manual pageCaliber manual page

Other models with the same movement

7810-0010
7810-0019
7810-5009
7810-5019
7810-5029
7810-5039
7810-5049
7810-5059
7810-5069
7810-5079
7810-5089
7810-5099
7810-5119
7810-5139
7810-5149
7810-5159
7810-5169
7810-5179
7810-5229
7810-7009
7810-8009
7810-8019
7810-8029
7810-8039
7810-8049
7810-8059
7810-9009
7810-9019

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

  • English
  • Italiano
  • Español
  • Français
  • Japanese

Recent Posts

  • Seiko WatchesThe History of Seiko Wristwatches
  • Seiko Five SportsHistory of the Seiko 5 Sports
  • Seiko 5 Sports: The Kamen Rider Reborn
  • SeikoSeiko Movements List
  • Seiko LaurelThe real history of the Seiko Laurel
The Seiko Guy

the_seiko_guy

The journey of a watch enthusiast into the past, present and future of Seiko. 🇮🇹🇯🇵
Suwa and Daini Seiko automatic chronographs. #sei Suwa and Daini Seiko automatic chronographs. #seiko #seiko6139 #automaticchronograph #seikochronograph #seiko6138 #seiko5sports #speedtimer #seikopogue #seikobullhead #seikocevert
In January 1985, the first Seiko divers in history In January 1985, the first Seiko divers in history featuring a “mint color” dial were introduced to the Japanese market. The title translates as: “The mint color, appreciated for its fresh and lively appearance, debuts in the Seiko Sports Diver line.” #seikodiver #vintageseiko #seikoslimturtle #seikoteal #seikowatches
New Seiko MarineMaster 600 with a ONE-PIECE titani New Seiko MarineMaster 600 with a ONE-PIECE titanium case! 🤩 The watch features a textured dial inspired by the deep sea, and houses the new automatic caliber 8L45. It is a limited edition of 600 pieces with reference SLA081 and the retail price is €5,200. #seiko #marinemaster #seikowatches #sla081 #seikodiver #seikomarinemaster
The King Seiko VANAC are back! 😍 Five new model The King Seiko VANAC are back! 😍 Five new models in the King Seiko line, featuring the 8L45 automatic caliber, priced at €3,400. #kingseiko #seiko #seikowatches #kingseikovanac #vanac #watchesofinstagram #watches #grandseiko #luxurywatches #seikocollector #vintageseiko
Seiko 5 Sports GMT Slim Case complete collection. Seiko 5 Sports GMT Slim Case complete collection. #seiko #watchcollecting #seikowatches #seiko5sports #seiko5 #watches #seikoholic #watchesofinstagram #seikoskx #skx #seikocollector #seikofam
Seikomatic Chronometer and Grand Seiko 62GS. #gra Seikomatic Chronometer and Grand Seiko 62GS. #grandseiko #seikomatic #vintageseiko #seikowatches #seiko #62gs
Some of the first quartz watches displayed in Japa Some of the first quartz watches displayed in Japanese stores in 1973. #seiko #vintageseiko #seikoquartz
Seiko Slim Turtle full and mid size. #seikodiver Seiko Slim Turtle full and mid size. #seikodiver #vintageseiko #seiko #seikowatches #watchcollector #seikoslimturtle
The first Orange Slim Turtle, 7548-700C. #seiko # The first Orange Slim Turtle, 7548-700C. #seiko #seikodiver #seikoslimturtle #seikowatch #vintageseiko
Seiko thin wristwatches, manual winding mechanical Seiko thin wristwatches, manual winding mechanical caliber 2220.
Seiko 5 Sports #seiko5 #seiko5sports #seikofive # Seiko 5 Sports #seiko5 #seiko5sports #seikofive #seikowatch #seikowatches
Made in Japan 🇯🇵 Made in Japan 🇯🇵
Seiko Crown Sony and Kikkoman. #seikowatch #seiko Seiko Crown Sony and Kikkoman. #seikowatch #seiko #vintageseiko #seikocollector #watches
Seiko Marvel and Crown. #seikowatches #vintagesei Seiko Marvel and Crown. #seikowatches #vintageseiko #seikomarvel #seikocrown #seikocollector #seiko
First generation Lord Marvel 14056. #seikowatch # First generation Lord Marvel 14056. #seikowatch #lordmarvel #seiko #vintageseiko #grandseiko #seikosha
Load More... Follow on Instagram

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