Swiss Made No. 4039 Watch Movement Holder

We machine holder 4039 with two working faces to steady bare calibres while you work across the plates. The stepped cutouts accept movements from 3.75 to 11 ligne sizes. The central knurled screw closes the jaws square against the mainplate rim.

Reversible jaws

Turn the holder over to switch between two stepped profiles. Each side offers distinct ledges to seat different plate diameters across the 3.75 to 11 ligne range.

Central thumbscrew

The threaded center screw draws the jaws together in a straight line. Knurling gives your fingers purchase so you can seat the plate without tilting it.

Flat base

Both faces are dressed flat across the bottom edges. The holder rests steady on the bench mat while you set bridges, fit wheels, or run screws home.

Clear access

The cutout profile leaves the balance area and center wheel unobstructed beneath the plate. You can inspect pivot freedom without unseating the movement from the jaws.