This is a Hermle Astrolabium/ORRERY driven by a quartz battery movement for ease of operation, with a burr walnut outer display/carriage case cost over £2000 when new.

The outer display case has a convex glass viewing top, and also opening doors - there are several joined mirrors inside - for viewing orrery from all sides.

Orrery has hand blown glass shade too,

Outer case is 11 inches (28cm) width/depth