The Peacock Clock is the only large 18th-century automaton in the world to still be functioning in its original unaltered condition.
Peacock Clock in the Pavilion Hall of the Hermitage Museum in St. Petersburg, Russia
Hermitage Museum (c) Linda Garrison
The Peacock Clock of the Hermitage also includes the figures of a cockerel and owl. All three of the birds move. Catherine II loved collecting, and Grigory Potiomkin ordered the piece for her from celebrated goldsmith and clockmaker James Cox.