tourbillon watch; ebauche Museum number 1958,1201.1483 | Producer name BIOG80534 Ebauche maker:Vasel | Production place Made in:Switzerland
tourbillon watch; ebauche Museum number 1968,0403.22 | Producer name BIOG75720 Ebauche maker:North & Sons | Production date 1900-1910 | Production place Made in:England