Explore 24 lessons across eight modules, from movement fundamentals and structured troubleshooting to pricing, repair shop economics, quality control and growth. Discover what each lesson covers and how it connects to your bench work or business goals. Independent watchmaking and business education; no manufacturer affiliation or certification.

From rotor to reset: focused lessons on diagnosing and servicing automatic movements and mechanical chronographs. Follow the complete service workflow with issue diagrams, practical bench assignments, manufacturer references and a little timely humor. Prerequisite: confident basic movement servicing. Independent education; use the exact caliber service documentation for all specifications.

Practical Knowledge & Troubleshooting Get an inside look at the Rolex Caliber 3135 through practical, real-world watchmaking experience. Explore its key components, mechanical characteristics, and common service issues, along with useful bench tips and troubleshooting techniques. Learn where to focus your attention, recognize potential problems, and avoid common pitfalls for more efficient, consistent, and reliable servicing.