Learn to build a mechanical hand-wound movement from its 40+ different pieces with our complete kit! The kit comes with the movement, all the tools you’ll need, and a beginner-friendly guide.. Movements come assembled to ensure safe transit and proper lubrication. The first half of our guide explains the disassembly, and the second half explains assembly. Disassembly and assembly are completely different processes and both are important to learn on your watchmaking journey.. What's Included 1 mechanical, hand-wound Seagull ST3600 movement Movement holder Screwdrivers Tweezers Magnetizer tool Finger cots Pliers Extensive beginner-friendly guide Organizing case Leather case Access to our support team. Specifications Size: 36.60mm Height: 4.50mm Accuracy (per day): -20-+40 sec Running time: >40 hours Vibration Frequency (per hour): 21600 Jewels: 17 To fully wind: Turn crown 35 half-turns