Moritz Grossmann 201-0

Caliber 201.0 is a hand-wound movement manufactured by Moritz Grossmann. It provides a power reserve of 42 hours and contains 187 parts fitted with 20 jewels. A distinctive feature is the Grossmann balance with a micrometer screw on a cantilevered balance cock for precise rate adjustment. The movement also includes a handsetting override activated by a lateral pusher and a stop-seconds mechanism for accurate handsetting.