How do they match: Timing Device Assemblers and Adjusters

  • Timing Device Assemblers and Adjusters

  • Balance and Hairspring Assembler
  • Chronometer Assembler and Adjuster
  • Chronometer Balance and Hairspring Assembler
  • Clock and Watch Assembler

  • Adjust sizes or positioning of timepiece parts to achieve specified fit or function, using calipers, fixtures, and loupes.
  • Assemble and install components of timepieces to complete mechanisms, using watchmakers' tools and loupes.
  • Bend inner coils of springs away from or toward collets, using tweezers, to locate centers of collets in centers of springs, and to correct errors resulting from faulty colleting of coils.
  • Bend parts, such as hairsprings, pallets, barrel covers, and bridges, to correct deficiencies in truing or endshake, using tweezers.
  • Clean and lubricate timepiece parts and assemblies, using solvents, buff sticks, and oil.
  • Examine and adjust hairspring assemblies to ensure horizontal and circular alignment of hairsprings, using calipers, loupes, and watchmakers' tools.
  • Examine components of timepieces such as watches, clocks, or chronometers for defects, using loupes or microscopes.
  • 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.
  • Turn wheels of calipers and examine springs, using loupes, to determine if center coils appear as perfect circles.