Description: Measurement: hand length: total hour hand length: approx. 107mm (4.21 inches); Total minute hand length: approx. 135mm (5.31 inches) Size: total shaft length: 28mm (1.1 inch); Thread length: 8.7mm (0.34 inch); suitable for products with panel thickness of about 16 mm thick and it is suitable for the panel diameter of about 290-380mm. 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, Hand Model: HR9506 Specification: Material: Copper, Plastic. Match power: this clock movement replacement just need 1 piece of 1.5V AA battery( battery is not included in this package) Equipped with gold hexagonal plane nut, gold garnish, black pad. HR 1688 jump second movement is a second-level movement, life more than 2 years, all through ROHS certification. Model: HR9506 + diameter 7mm copper second head. Core shaft length: 28mm total shaft length, thread height 19mm, suitable for panel thickness of about 16mm. Type: Jump seconds. Package Includes: 1 Piece Quartz Wall Clock Movement