Movement
Manufacture calibre 100.1, manually wound, adjusted in five positions
Special features
Dial tremblage, Grossmann balance; hand setting override and start of movement with lateral pusher; space-saving modified Glashütte stopwork with backlash; adjustment with Grossmann micrometer screw on cantilevered balance cock; movement with 2/3 plate and pillars made of untreated German silver;
2/3 plate, balance cock and escape-wheel cock hand-engraved; grained train bridge; 3-band snailing on the ratchet wheel; raised gold chatons with pan-head screws; separately removable clutch winding mechanism; stop seconds for hand setting