Description: Measurement: hand length: total hour hand length: approx. 154mm (6.06 inches); Total minute hand length: approx. 208mm (8.19 inches), Size: total shaft length: 15mm (59 inch); Thread length: 6.7mm (0.26 inch); Jump seconds to increase torque type, suitable for products with panel thickness of about 3 mm thick, and it is suitable for the panel diameter of about 440mm. Wide application: they are fit for cross-stitch, three-dimensional embroidery, craft clock, frame-less draw clock, and specially suitable for DIY quartz wall clock replacement movement parts, etc. Good DIY clock supply: suitable for repairing, replacing the broken parts of a clock or serving as good handwork material to make a clock by yourself. Body Size: Approx. 56 x 56 x 16.3mm, Movement Model: HR1688-28, Hand Model: HR9312 Specification: Material: Aluminium, Plastic. Match power: this clock movement replacement just need 1 piece of 1.5V AA battery( battery is not included in this package) Each movement is equipped with a gold hexagonal nut, a gold garnish, a black pad, and a gold nut. HR1688 movement is a one-second movement, all through the ROHS certification. Model: HR1688 Black Time + HR9715 All Black Seconds Package Includes: 1 Piece Quartz Wall Clock Movement