How do they match: Timing Device Assemblers and Adjusters

  • Assemble and install components of timepieces to complete mechanisms, using watchmakers' tools and loupes.
  • Examine and adjust hairspring assemblies to ensure horizontal and circular alignment of hairsprings, using calipers, loupes, and watchmakers' tools.
  • Replace specified parts to repair malfunctioning timepieces, using watchmakers' tools, loupes, and holding fixtures.
  • Test operation and fit of timepiece parts and subassemblies, using electronic testing equipment, tweezers, watchmakers' tools, and loupes.
  • Tighten or replace loose jewels, using watchmakers' tools.