14 day spring movement with pendulum solid anchor escapement. The full Westminster-chime sounds on an 8-rod gong at the rear. The 8 hammers are also fitted at the back. Chimes once every half, and every hour full.

type of strike: 5 hammers below, Westminster chime below 
Fixing: by 4 straps
Dimensions: B100 x H100 x D65mm
depth: Ø 160mm
Minute hole: 2.0 x 2.0 mm
Hour hole: Ø 4.5 mm