Pocket watch from Philipp Matthäus Hahn, before and after the repair and restoration:

Pocket watch with pivoted detent escapement from Jakob Auch a famous apprentice from Philipp Matthäus Hahn:

Pocket watch from Philipp Matthäus Hahn, before and after the restoration:

Pocket watch from Abraham Louis Breguet:

Early one-hand pocket watch with hour striking:

Clock from Philipp Matthäus Hahn:

Table Clock with double globe from Philipp Matthäus Hahn:

Pendule Mysterious:

Marine Chronometer from A. L. Breguet:

Precious regulator with spring detent escapement and seconds pendulum:

Movement from Hahn – complete restoration:

Chronometer from Ferdinand Bertoud:

Pocket watch – before and after the restoration:

Church tower clock from 1834, retoured in 2016: