Features 1?��Calendar Design: Can be used as a spare part to facilitate you to replace the movement, calendar design, considerate and reliable, improve practicality. 2?��Important Watch Accessory: Indispensable and necessary watch parts for watchmakers and watch repairers, easy to install and replace, bring you convenience. 3?��Perfect Replacement: Fine workmanship, pay attention to details, wonderful replacement for the old or broken one, help improve the performance of watch. 4?��Multiple Applicable Place: Light weight and in small size, easy to store and carry, can be easily put into your bag, suitable for home and watch repair shop. 5?��Alloy And Plastic: Quartz movement movement adopts alloy and plastic material, safe and eco friendly, firm and sturdy, stable and durable for use. Specification Item Type: Watch Movement Material: Alloy, Plastic Model: SL25 Size: 6 3/4 x 8 ? Outer Diameter: Approx. 18.5mm / 0.7in (18.2 x 16.1mm / 0.7 x 0.6in) Overall Height: Approx. 4.15mm / 0.2in 3 Hands Battery Type: 1 x SR626SW Button Cell (Not Included) Package List 1 x Watch Movement