Feature: 1. Replacement Parts: Wonderful replacement parts for the old or broken one, suitable for 7750 movement, easy to install, bring you convenience. 2. Stem Lengthening: Special design to lengthen stems in the case that are too short to connect to the crown, precise design, practical for use. 3. Multiple Applicable People: Professional watch repair accessory, suitable for watchmakers and watch repairers, fine workmanship, attention to details. 4. Alloy Material: Watch stem is made of high quality alloy material, safe and eco friendly, corrosion resistant and no deformation, rust proof and durable. 5. Portable Design: Light weight and in small size, easy to store and carry, can be easily put into your bag, perfect for home use and watch repair shop. Specification: Item Type: Watch Movement Stem Material: Alloy Length: Approx. 2.7cm / 1.1in Uses: Stem needed for watch repair movement, replacement watch stem Package List: 1 x Stem Note: Please allow slight error due to manual measurement. Thanks for your understanding.