1/4 spring-wound change-over movement with pendulum and 3 melodies (donated playing cylinder with Westminster, St. Michael and Whittington) on 9 diamond-turned bells. Michael and Whittington) on 9 diamond-turned bells, running time 7 days, plate size 131 x 131 x 2.0 mm, 6 Aeterna bronze bouchons (accessory wheels), quick-release axles (spring barrels), front winding and safety winding ratchet, pallet lever with resting escapement (Graham) and automatic lever, second indication, strike shut-off and automatic night shut-off between 22.00 and 7.15 clock.