12-Piece Hermle Style Hand Nut Assortment for Quartz Movements
New
23963
6 each of 2 blackened brass hand nuts (one is an open nut, the other is a cap nut) used on the #577 series of Hermle movements, #2100, #2200 & #2214 movements.
Cap nut is 5.5mm OD with a 3.5mm internal thread fits 3.5mm hand shaft
Open nut is 6.5mm OD with a 3.5mm internal thread fits 3.5m hand shaft