cazalea[Seiko Moderator]
17149
The pieces you describe appear to be sheet metal on some watches, and casting on others
Sep 15, 2023,19:55 PM
Welcome!
By the numeral 3, the components are called "the keyless works" which really means "parts that wind the watch and set the position of the hands"
I'm not sure what is being contained by the cover at 8.
I'm not surprised that these vary - in fact not just in construction but in color; the watch in the central image laying on its side appears to have a black cover.
When you have small production, you can constantly make little changes and improvements either in cosmetics, function, or ease of production.
Nice watch, regardless.
HERE ARE SOME OTHER IMAGES FROM THIS SITE