8-day spring movement with pendulum, winding and hand-setting at the front. 1h and 1/2 hour strike.

type of strike: 1 hammer behind, Spiral
Fixing: by 3 straps
Dimensions: Ø 90mm
depth: 57mm
Minute hole: 2.0 x 2.0 mm
Hour hole: Ø 4.5 mm