Below is a list of readily available NOS parts for hundreds of watch calibers.

First number is our custom system, followed by the Bestfit number and the part name.

We also have:

Bulova Accutron 218 & 214 Parts

Bulova Crystal Systems

Hamilton Pocket Watch Parts

Seiko Crystal Systems

NOS Seiko Parts

GS Crystal Systems

Movements/Modules/Circuits ETA, ESA, ISA, SEIKO, CITIZEN, HATTORI, MIYOTA, FE1, & many swiss related parts.