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