Standard "C Battery" Size Quartz Pendulum Movement. 2 3/4 In. Bob, Dials up to 3/8 In. Thick (5 3/8" Hour and Minute Hands) Our standard size pendulum movements have more power than our mini quartz movements. They are perfect for operating hands between 5" and 7 hands and runs up to 2-1/2 years with a "C" cell alkaline battery. One set of hands are included. Please choose style. These movements are perfect for clocks positioned in places where it may be difficult to change batteries and several years of battery life is desired. Pricing includes choice of hour and minute hands, clock hardware and a hanger. This version also includes a bob. All pendulums consist of a 16" adjustable pendulum. This version includes a bob. You can easily trim the pendulum rod to any length under 16. Dimensions: 3"w x 3 1/2"h x 1"d. 10 Year Warranty. American "I" Shaft - Diameter 7/16". Step Second Hand. Runs On 1 "C" Size Battery.(not included).