Very fine original Vienna Biedermeier Regulator from 1840

Case: Palisander case with satin inlays, length 50"
Movement: One weight, 6 weeks duration, very rare movement with one gear more as usual for a monthrunner and suspension with a hook
Note: one piece porcelain dial, pie crust bezel, very nice handmade hands, pendulum bob on both sides are made of brass