Armin Strom known to excel in manufacturing hollow form. Last month, Armin Strom CEO Serge Michel and the movement designer Claude Greisler jointly released to the media, the brand first made a movement – Caliber ARM09. ChinaWatchNet The movement contains 146 parts, 34 jewel bearings. Worthy of note is that, ARM09 is Armin Strom entirely self-made movement, not in other movements on the basis of improved only!