TECH SPECS Movement Manufacture calibre 102.1, manually wound, adjusted in five positions Special features Shock-resistant balance with inertia and poising screws, impulse pin integrated in rim; flat balance spring; balance staff with integrated safety roller; index adjuster with Grossmann micrometer screw; pillar movement with 3/5 plate, frame pillars and separately removable clutch winder; frame parts in untreated German silver; raised gold chatons with pan-head screws; remodified Glashütte stopwork with backlash; mainspring barrel with bilateral jewel bearings for optimised power management in the low-torque range; ARCAP train wheels; proprietary escapement with 18-tooth escape wheel
