German made, manually wound, 32.6 mm/6.6 mm, 21,600 vph (3Hz), 262 parts, 20 jewels, including gone diamond endstone, 3 screwed gold chatons, 72-hour power reserve. Hours, minutes, seconds by tourbillon. Plates and bridges in untreated German silver. Balance cock engraved by hand. Lever escapement. Shock-resistant screw balance, Lange balance spring. Patented stop seconds tourbillon. Patented ZERO-RESET tourbillon.