13 ligne movement (29.5mm)
2.5 hertz (18,000 vph)
Proprietary square inertia balance system
Breguet-overcoil hairspring
World's first birdcage pinions
Moustache anchor
Proprietary shock absorbers
Seconds-hack made of human hair
Maltese cross mechanism
Fine-adjustment mechanism
Unique crown and ratchet wheel tooth profile
Removable pilot hole
Springed-blade click
Mirror plate underneath balance wheel
One-piece crown wheel with downward face gear teeth
Unique screw tempering color
