NOS Oris 491 Complete Watch Movement Balance (Wheel & Spring)

NOS Felsa 4000 Complete Watch Movement Balance (Wheel & Spring)

NOS Oris 650/654 Complete Watch Movement Balance (Wheel & Spring)

NOS AS 1900/1906 Complete Watch Movement Balance (Wheel & Spring)

NOS Amida 420/425 Complete Watch Movement Balance (Wheel & Spring)

NOS ETA 2370 Complete Watch Movement Balance (Wheel & Spring)

NOS AS 1690 Complete Watch Movement Balance (Wheel & Spring)

NOS BFG 910 Complete Watch Movement Balance (Wheel & Spring)