Seiko-SKP Quartz Battery Clock Movements Kit with HandsThe entire default kit includes the following:1 Clock Movements Shaft Length Size: 1/2″ (13mm), 5/8″ (16mm), 11/16″ (17mm) 1 Set Black Hands Style: Spade, (5 1/2″)1 Red Second Hand: 4 1/2″1 Sets of Hardwares which include: 1 hanger, 1 rubber washer, 1 brass washer, 1 hex nut and 1 open nut. Details: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 exact one second steps. ————————————————————————————————————————————- Hands Styles and Sizes Available: -Spade: 2 1/2″, 3 3/8″, 4 1/2″, 5 1/2″ (Colors: Black and Brass) -Serpentine: 3″, 4 1/8″, 4 11/16″ (Colors: Black and Brass) -Second(s) Hand: 2 3/4″, 3 1/2″, 4 1/2″ (Colors: Black, Red and Brass) Every item will be safely packed and sent to you within one day of receiving your order.*If you don’t need a sweep second hand and would like a closed nut instead, message us.*Don’t hesitate to message us, we will respond to your messages within 24 hours and will be happy to try to accommodate any of your request.