Vintage Grand Seiko quartz powered watch movement. Full caliber listing coming soon. Comment below if you have experience with this caliber.
Recent Comments
Found into a Certina DS 115 (7040/7140) 45
In my opinion, eta 2892- 2894 it s better in term of keeping time than…
Used by the Orion Hellcat
There is no regulator on the escapement, regulation is achieved using a laser adjustment system…
Thank you.
The 01 number varies according to the position of the complication. For example ST3600 is…
Hi Thomas, the same manual also states: "Automatic selection of time signal stations (JJY only)"…