This movement is suitable for use with any of our hands for quartz clocks including our longest hands. Movements measure 2-1/4" x 2-1/4" x 5/8"; mounting hardware is included. These movements use one "AA" cell battery that is sold separately. Youngtown 12888 Snap in Type 4.5mm Hour Shaft Length Continuous Sweep Quartz Clock Movement 8mm Total Shaft Length (A Hands).
The mounting thread is 5/16" in diameter. .
The Seiko High Torque Continuous Sweep Mini Clock Movement is a quartz clock movement that features a continuous, smooth sweep motion that removes any ticking noise that might distract or interrupt you. Uses one "AA" battery (not included). The number inside the battery compartment is 44505E. This bold tapered style can be seen from long distances, which is why it is popular with swimming pace clocks. Hour/min and sweep second hands are not included and must be ordered separately. Includes a free pair of hour/minute hands, up to 7" long, but will also drive any of our extra long clock hands up to 17.5" long, sold separately. Our high torque "AA" cell clock movements make clock repair easy and affordable. Clock Replacement Movement,Sageme Silent Sweep High Torque Clock Motor Movement Battery Operated Battery Clock DIY Parts Replacement Mechanism Shaft Length 12.5mm(1/2"),Thread Length 5.5mm (7/32") 3.9 out of 5 stars 61 Includes mounting hardware. The second hand moves smoothly around clock dial.

We now offer 10" balanced second hands to make it even more versatile.

Our exclusive high torque continuous sweep movement is even better than before.

High torque hands also sold separately.