1/4 spring-wound movement with pendulum, Westminster chime on 5-bar gong, duration 7 days, plate size 100 x 104 x 1.7 mm, 6 Aeterna bouchons, barrels with quick-release axle, plate size 100 x 104 x 1.7 mm, Kieniramic7 solid lever with resting escapement (Graham) and automatic lever, front winding with safety winding stop and automatic night shut-off between 22.00 and 7.15 clock.