How to use and maintain your automatic watch - YouTube
Boctok/Vostok Automatic watch stopped working after over-winding. The top gear fell off, but even when i wind it, it doesn't go around :( Please help! : r/watchrepair
What Causes a Mechanical Watch to Stop Working — AMJ Watch Services
11 Reasons Your Watch Stopped Working [And How to Fix It!] – Chronometer Check