Seiko Bellmatic Case Spring 8133-0061

Modern reproduction in spring stainless steel

The external tag is to lock the movement to the case, this ensures a better "ring"

Some aftermarket parts do not have the tag

Original carbon steel part no longer produced, this stainless steel copy, will last a lifetime, no rust.

Post free - to anywhere in the world

Buy 5 - get 1 free - what a bargain