Check the listing for details. Seiko (SKP) Mini Quartz Clock Movement & Hands Set. Color: Black, Condition: New. Listed at 9.99 USD. Seiko-SKP Quartz Battery Clock Movements Kit with HandsEach Kit includes:1 Clock Movement Shaft Length (Threaded Stem) = (Set A) .68? (17mm) or (Set B) .78" (20mm). 1 Set Black Serpentine Hands, 4-1/8+ Minute Hand.1 Black Second Hand, 4".1 Set Black Modern Hands, 4-1/8? Minute Hand.1 Black Second Hand, 4-1/4".1 Set of Hardware: 1 hanger, 2 rubber washer, 1 brass washer, 1 hex nut for Stem and 1 keeper nut for Minute Hand. SKP Movement:Quartz Accuracy - Stabilized quartz crystal assures high accuracy to within ±15 seconds per month.Reliability - A minimum number of parts (17 in entire motor) reduces wear within the motor and assures trouble-free operation. The motor is completely enclosed in its case, so dust and dirt cannot get into the motor.Compact Size - The motor is approximately 2-1/8?x 2-1/8? x 1/2?Shaft Diameter: 8mm The motor runs approximately two years on a fresh ?AA? battery, not included.Step Second Motion - The second hand, if used, moves in exactly one second steps.