movement and pendulum are close together in this extremely compact case,
and the weight descends between them. Note how one side of the movement
is free of mechanism to provide weight clearance, and the threaded turning
pulley guides the weight forward as it drops to clear the movement at
the top, and also the pendulum bob as it drops.
detail view of the barrel with maintaining power. The cap jewel settings
are hardened blued steel, with the synthetic ruby caps burnished into