YoungTown 12888SC1E Step Quartz Movement Quartz Movement with Hour Trigger Switch This is a Genuine Young Town Quartz Electronic Movement mechanism with a STEP movement with built in Hourly Trigger Switch. Perfect replacement for most Young Town Trigger movements New Stock directly from the manufacturer. Unit comes with rubber gasket, washer and nut. CE and RoHS Certification. Color: Black; Size: 2-3/16" x 2-3/16" x 5/8" Total shaft length 11/16", bolt length 3/8" bolt diameter 5/16" Battery: 1x AA battery (Battery is not included) Unit is professionally tested prior to shipping. Guaranteed against DOA. USA Seller fast, SAME DAY shipping with the TRACKING NUMBER **Young town manufactures the 12888 series in various models, this specific model is the 12888SC1E. Please check the dimensions of this movement prior to purchase to verify the dimensions. Control #: 1115116 ***