NOS watchmakers Elgin 539 Inca balance staff Swiss made DCN X3 staffs

Balance Wheel for Parrenin 90 Watch Inca

Watch Parts Balance Staff Parrenin 10 1/2" 90 1901 INCA

NOS watchmakers Cortebert 19” 526 Inca balance staff Swiss made DCN X3 staffs

Watch Part 1 Balance Staff For Parrenin Watch 10 1/2" 90 1901 INCA

Watchmaking Balance Staff Parrenin (HP) 10 1/2" 90 And 11 1/2" 901 1901 Inca

Watchmaker Part 1 Balance Staff For Parrenin Watch 90 1901 Antishock

Watchmaking Part 1 Balance Staff For Helvetia Watch 8 3/4" 90 Inca