Movement holder   for hand setting   Movement holder   for stem removal   H 50X.1A   H 50X.1T 1 screw version 3.0 mm SWISS MADE & SWISS PARTS     Also applies to calibers:   502   503   503S   505S   507   505.24H   505.24D   509   Also applies to calibers:   502   503   503S   505S   507   505.24H   505.24D   509