Hammer Assembly 1161.050/1161.853 Chime pvc strap keepers Bergeon Collet Tightening and Reaming

Bergeon Collet Tightening and Reaming Tool is designed with 5 different notches and an adjustment screw on the side to allow gentle tightening of the hairspring collet to better fit the balance wheel

Large Omega Clip This clip-on earring measures 17mm x 9

case numbers: 7139

Fits Omega® case numbers: 3903

Thickness: 3mm

Hammer Assembly 1161.050/1161.853 Chime pvc strap keepers Bergeon Collet Tightening and ReamingHammer Assembly 1161. 050 1161. 853 Chime is specifically for Hermle Movements (both old and new style) 1161. 050 and 1161. 853 Chime side. When changing the old execution to the new make sure to change the strike assembly as well as the chime assembly.