Hello all, I received a pocket watch from my grandfather and I can not find ANY information on it. On the dial its says Perret Locle. Other stampings on it are K12 852 JPS ( on the front inside cover) On the rear inside cover K12 29852 JPS On the movement cover it says Perret Locle Ancre Leveesibles Chaton Moi Chronometer Spiral Brequet 18 Rubis Then on one of the arms inside the movement is stamped Avance Retard ( I believe its a liitle hard to read). I will try and post pics. Thanks in advance for your help!