Precision Instrument Makers & Repairers


Precision instrument makers and repairers make, calibrate, test and repair precision and optical instruments such as barometers, compasses, cameras, calibrators, watches, clocks and chronometers.


  • Examines drawings or specifications to determine appropriate methods, materials and sequence of operation
  • Marks out and machines aluminium, brass, steel and plastics using machine tools such as grinders, lathes and shapers
  • Tests watches and clocks for repair to diagnose faults and removes, repairs or replaces damaged and worn parts
  • Tests completed timepiece for accuracy using electronic or other test equipment
  • Carries out service tasks such as cleaning, oiling and regulating
  • Checks prepared parts for accuracy using measuring equipment, assembles parts and adjusts as necessary using hand and machine tools
  • Positions, aligns and secures optical lenses in mounts
  • Tests, adjusts and repairs precision and optical instruments.

Educational Requirements

Some GCSEs/S grades qualifications may be required. Training is usually via an apprenticeship including work experience and practical and technical training leading to recognised awards.