

Use this tool to easily release and lock the bolt of the oscillating weights. The fast change of the 2 stainless steel heads makes for quick adjustments. Head A works for ETA® 2891 calibres (2891-2897) and Head B works for Valjoux® 7750-7770 calibres. Rotor holder sold separately.
**Esslinger & Co. is independent of and not affiliated with or sponsored by Valjoux® or ETA®. Warranty does not apply to non-genuine parts supplied by Esslinger & Co.**