Moritz Grossmann 201-1

The Moritz Grossmann 201.1 is a hand-wound movement with a 42-hour power reserve, comprising 187 parts and 20 jewels. It features the Grossmann balance with adjustment via micrometer screw on a cantilevered balance cock, a handsetting override operated through a lateral pusher, and a modified Glashütte stopwork. The movement is used in the Atum Pure L collection.