High torque quartz clock movement with jump second function, designed to drive long clock hands ranging from 10 mm to 450 mm in length. Total shaft length is 23 mm (approximately 9/10 inches), with a threaded portion of 15.2 mm (approximately 3/5 inches). Suitable for clock panels with a thickness between 9 mm and 13 mm (approximately 9/25 to 1/2 inches). Center hole to tip measurement: hour hand approximately 115 mm (4.5 inches), minute hand approximately 175 mm (7.0 inches), and second hand cap approximately 7 mm (0.3 inches). Package includes the movement mechanism, mounting hardware, two clock hands, and installation instructions, all packed in a cardboard box to support easy DIY clock assembly. When installing, ensure the hour and minute hands are properly aligned and remain parallel to avoid bending during operation.