This motion has really minimal good quality finishing. The hairpspring is mounted counter clockwise. Steer clear of this motion if at all possible. There is certainly also a no-date Variation of the movement known as the SH3130 (or sometimes the AR3130) and that is of likewise lousy good quality. This https://josueimmlj.vidublog.com/32205357/little-known-facts-about-aaa-rolex