Moritz Grossmann 100-3

Caliber 100.3 is a hand-wound manual movement manufactured by Moritz Grossmann. It comprises 259 parts with 26 jewels, three set in screwed gold chatons, and features a Grossmann balance with a small seconds display. The movement includes a pusher for disabling the handsetting mode and a crown at 10 o'clock enabling bidirectional date adjustment. Built on a pillar plate with untreated German silver, it has hand-engraved balance and escape-wheel cocks. It includes a date complication.