8 day running time Colour: Ebony Contemporary tourbillon mantel clock: Transparent case in elegant ebony with free swinging doors and key drawer in the base. The frameless glass construction allows an undisturbed view of the clock movement with nine diamond cut bells, chrome plated movement and accessories. Limited edition of 250 pieces. 1/4 key wind movement with skeleton 11-jewel toubillion (Swiss style escapement with screw balance), pinned chime drum with triple chime (Westminster, St. Michael & Whittington) on 9-bell chime, plate size 131 x 131 x 2,0 mm, chrome finish, 6 Aeterna bronce bushings (2nd wheels), removable spring barrels, anti-snap-back winding, second indication, chime shut-off and automatic night time shut-off between 10.00 PM and 7.15 AM. Movement caliber used exclusively in Kieninger clocks.