I find them useful on watches that are part of a collection, and you want to keep them running. Can see the power left without having to pick it up and check the back.
When I had a GS spring...
Type: Posts; User: KingKitega
I find them useful on watches that are part of a collection, and you want to keep them running. Can see the power left without having to pick it up and check the back.
When I had a GS spring...