Quartz Cuckoo Movement 60 mm is a quartz cuckoo movement that is supplied with plastic weights, chains, a plastic pendulum stick (leaf not included), a switch plate, a cuckoo door, mounting hardware and hands. Quartz Cuckoo 60 mm measures 3 1/4" x 2 3/4" x 2 13/16"deep and has a minute hand length of 28 mm (1 1/8"), suited for a dial 60 mm (2 3/8" ) in diameter. The unit housing the cuckoo bird measures 3 1/4" x 1 3/8" 2 13/16" deep. Quartz Cuckoo 60 mm uses 2 C batteries that can be purchased separately.