COMPONENTS AND ELEMENTS OF ALL TYPES FOR HIGH PRECISION MACHINES AND MECHANISMS, FOR DELICATE MECHANISMS AND MICROMECHANISMS, NAMELY BEARINGS, SHAFTS, CAMS, GEARS, SPRINGS, GEAR TRAINS, SUPPORTING AND ASSEMBLING STRUCTURES FOR THE FOREGOING; ASSEMBLIES AND SUB-ASSEMBLIES OF SUCH COMPONENTS AND ELEMENTS

ALLOYS FOR THE PREPARATION OF HAIR SPRINGS, TUNING FORKS AND TORSION WIRES

WATCHES AND CLOCKS, AND PARTS THEREOF