Alpina 19" H6.3 open-face

open face calibre bimetallic screw balance Breguet hairspring lever and escape wheel anodized aluminium Option: Reed's regulator (cf. Alpina 19" H6.3 hunter) early two-section regulator for coarse and fine adjustment (Fig.3) steel bearing for stem (Fig.4) two-part crown wheel with big bearing (Fig.4) This detail is easy to recognise, because the crown-wheel screw head rotates during winding. This screw is as else common left handed Attention: The ratchet-wheel screw is also left handed ebauche or even finished movement from Recta