Case: Rectangular, satined and polished yellow gold plated case, liftable cover with 5 glass windows, baseplate with Geneva stripes and integrated spirit level;Dial: Fine brass movement with lever escapement and rake striking mechanism, half-hour and hour strike;Movement: Yellow gold plated movement with Torsion-pendulum, wound via an Aneroidreservoir, invented by Jean-Leon Reutter;Movement No.: 438399;Accessories: Base plate ;