This movement has very minimal quality finishing. The hairpspring is mounted counter clockwise. Keep away from this motion if possible. There's also a no-day Model of the motion known as the SH3130 (or at times the AR3130) which happens to be of in the same way bad quality. This movement https://aaa-rolex-clone60370.ageeksblog.com/32104478/5-essential-elements-for-rolex-submariner-aaa