1/4 chain change-over movement with 3 melodies (Westminster, St. Michael and Whittington). Michael and Whittington) on 12-rod gong, duration 7 days, plate size 158 x 230 x 2.8 mm, 16 Aeterna bronze bouchons (chain wheels, change gears, subsidiary wheel, heart wheel, minute wheel and nail wheel gears), 12 ruby jewels set in brass (vane, pallet lever with Graham escapement and automatic escapement, real second hand, separate strike shut-off of the hour and melody chimes with weight run-off and automatic night shut-off between 22.00 and 7.15 clock, integrated dial locking lever.