Time Only Mini Movement Step Seconds 1/2" is a mini clock quartz movement for a dial thickness of 1/2". This movement fits your every need, whether you are a hobbyist or serious clock maker. It operates on one AA battery and is accurate to within two minutes per year. Made in the USA. The movement measures 54.0mm (2 1/8") wide x 54.0mm (2/18")heigh x 15.9mm (5/8") deep. The I shaft diameter is 7.9mm (5/16". These movements have step second motion, second hand moves in exact one second steps. Movements are supplied with hardware. Hands and batteries not included. The movements are compatible with Style A hour and minute hands and Style A sweep hands. *Please purchase hands and batteries separately. Product Details Order # : 74-753 Max Dial Thickness: up to 12.7m (1/2") Threaded Shaft (a): 14.3mm (9/16") Overall Length (b): 22.2mm (7/8")
