Regula R34 ASO 2-Weight 8-Day Cuckoo Clock Movement with Automatic Shut Off

The Regula R34 ASO is an eight-day, two-weight cuckoo clock movement with Automatic Shut Off (ASO) for the cuckoo call. Select the version that matches the pendulum length of your original movement.Specifications Automatic night shut-off Rear pendulum escapement 2-chain wind 1 hammer for rear gong 40 mm hand shaft 45 mm suspension post Made in Germany Supplied with bird rod, chains, stop rings, weight hooks and hand nuts Weights and pendulum are not included Movement Options R34 ASO: 23.5 cm pendulum. R34L ASO: 28.5 cm pendulum. R34XL ASO: 40 cm pendulum. Pendulum length is measured from the suspension spring post to the center of the pendulum leaf. 1500 g weights are required for best performance.