Regula 34/44 Mvmt an 8 day cuckoo clock movement with dancing platform and supplied with an extended post for music activation lever. The platform is 81 mm above the hand shaft. Regula 34/44 has a plate size of 85 x 76 mm. This Cuckoo Clock Movement is made specifically for a movement with a 28.5 cm pendulum length. Use product # 72-5874 to engage the music unit to music chain gear on movement. Regula 34/44 requires 3 weights of 1500 grams each.