8-day chain-driven movements with pendulum and 1h and 1/2 hour strike.

type of strike: 3 side hammer, bim-bam gong strike
Fixing: 2 screws at the bottom
Dimensions: B87 x H87 x D75mm
Minute hole: 2.0 x 2.0 mm
Hour hole: Ø 4.5 mm