Catalog: Souveraine Collection
Company/Brand: F.P.Journe
crown wheel in Souveraine Collection by F.P.Journe
the balances the best-known being the crown-wheel escapement with pendulum or the huge ... gear-train running from the escape-wheel to an additional seconds wheel equipped ... oscillations in order for the escape-wheel to move forward every second these ... the latter is mounted on one of the wheels of the constant-force device and cannot ...
