Manufacturer Seiko Caliber Number 6R20, 6R20A Movement Type Automatic, self-winding mechanical In-House? Yes Diameter 27.40mm (outside), 27mm (casing) Height 6.15mm...
Seiko 6R Family
Manufacturer Seiko Caliber Number 6R31, 6R31A Movement Type Automatic Diameter 27.40mm (needs confirmed) Casing Diameter 27mm (needs confirmed) Height 5.25mm...
Manufacturer Seiko (Seiko Watch Corporation) Caliber Number 6R64, 6R64A Movement Type Automatic In-House? Yes Jewels 29 Beat Rate 28,800 vph...
Recent Comments
These are found in the Omega Moon Watch counterfeits, and the Chronograph features only move…
Hi, you are correct! The Mercer Brigadier has the VK64A (bi-compax with a date at…
The Mercer Brigadier currently does not use the VK63 movement. Did it ever use it?
The new Jack Mason Canton utilizes the G100. If you haven't seen it yet it's…
With assembly, does it matter what teeth the pawl goes on or will it basically…
I have this movement in my Furlan Marri Salmon Flyback - beautiful looking and performs…
You can buy these for self-builds now. I've gotten mine thru CousinsUK.