Question] Info please on my 1970s SQ Sport 100. My watch guy said the mechanism is probably bad. Sending to Seiko to see about cost. Brown face and brown bezel that I
Movement | Seiko Watch Corporation
Seiko SII Mechanical Watch Movement NH39/NH39A Japan Made Automatic Mechanism 24 Jewels Watchmaker Replacements Parts - AliExpress
Mechanical | Grand Seiko
In The Balance: Zenith Espada vs. Grand Seiko Hi-Beat 3600 | WatchTime - USA's No.1 Watch Magazine
What is the mechanism used in a Seiko watch and how does it compare to the mechanism of an average Swiss watch? - Quora