Chrono-Matic 11 | La Clinique Horlogère, Service et vente de montres, Porrentruy, Jura, Suisse
Mouvement microrotor sujet historique
Micro-rotor, maxi possibilités | Worldtempus
Watch Repair Piccadilly - The micro-rotor movement first appeared in 1958 with simultaneous announcements of unrelated projects at Büren and Universal Geneve. Over time, both companies claimed earlier dates, with Büren claiming