Hermle Mechanical Replacement Clock Movement# 451-053 H Weight Driven Driven Movement. Westminster Chimes. Direct from Germany. Plays 4/4 of the Westminster on the quarter & strikes the full hour. Made in the USA. Weight drop after 8 days: 56" The handshaft length = 2-3/16 long. The movement mounts to a seat board that you must make. The movement measures 4 3/8"w x 9-1/2"h x 5-1/2"d. The depth from tip of hand shaft to back last hammer is 5-1/2" deep. Automatic beat adjustment Upgraded brass extra thick plates for superior wear resistance Second hand Available Chime silencer . Purchase complete kit to get weights, shells, hands and gong (in our Movement kits). We carry complete Emperor Kits with Hermle Movement Included. Handshaft 53.2 8 Hammer back Plate size 120 x 120mm Chain driven Westminster Questions: Sales Toll Free: 1(877) 286-7313 Email: Terry@MooreClocks.com