| Source | Content | Cost | |--------|---------|------| | (YouTube) | Complete watchmaking tutorials by Mark Lovick | Free | | AWCI (American Watchmakers-Clockmakers Institute) | Student resources and technical bulletins | Free videos on YouTube | | HSNY (Horological Society of New York) | Free online lectures from master watchmakers | Free (donation optional) | | Project Gutenberg | Antique books (e.g., Watch and Clock Making by David Glasgow, 1885) | Free (public domain) |