Regula 25/08 Mvmt is a 1 day cuckoo clock movement that comes complete with a bird rod, chains, stop rings, weight hooks, hand nuts and an extended post for music activation lever. Regula 25/08 Movmt has a pendulum length of 28 cm (measured from the suspension post to the centre of the pendulum leaf) and a plate size of 73x 63 mm. Regula 25/08 Mvmt requires 2 weights of 420 grams each which can be purchased separately.