AHN39 - 3 Piece Hand Nut Set for Regula Movements

AHN39 - Regula 3 Piece Hand Nut Set

Inside diameter of square nut is approximately 2.4mm (.097 inch).
Inside diameter of round nut is approximately 1.9mm (.075 inch).
Used on all 1 and 8 day Regula movements since 1970

**Fits most popular movement from Germany**