7311-Precision Instrument Makers and Repairers

Job Title: 

Precision Instrument Makers and Repairers

Job Description: 

Precision instrument makers and repairers make, calibrate, repair, maintain, adjust and install mechanical watches, clocks, nautical, meteorological, optical, orthopaedic and other precision instruments and equipment and set them for correct performance.


Tasks include:

  • repairing, cleaning, and adjusting mechanisms of timing instruments, such as watches and clocks
  • adjusting timing regulators, using callipers, watch-rate recorders and tweezers
  • cleaning, rinsing, and drying timepiece parts, using solutions and ultrasonic or mechanical watch-cleaning machines
  • testing timepiece accuracy and performance, using meters and other electronic instruments
  • testing accuracy of meters, gauges, indicators, or other recording or controlling instruments to locate defective components and for conformance to standards
  • calibrating instruments or scales, using hand tools, computer or electronic devices
  • inspecting components, connections, and drive mechanisms to detect defects
  • assembling instruments and devices, such as barometers, control valves, gyroscopes, hygrometers, speedometers, tachometers and thermostats
  • testing, calibrating, and adjusting electronic, mercurial, aneroid and other types of meteorological instruments for compliance with printed specifications and schematic diagrams, using voltmeters, oscilloscopes, tube testers and other test instruments
  • adjusting and repairing masts, supporting structures, clearance lights, control panels, control cabling and wiring and other electrical and mechanical devices
  • repairing and setting optical instruments such as microscopes, telescopes, theodolites, sextants
  • checking whether assembled units conform to specifications and ensuring stipulated performance and sensitivity by standard tests
Additional Notes: 

This unit group includes

Precision instrument calibrator
Chronometer assembler
Watch and clock repairer

Specific Occupations: 

Watch and clock assembler

Watch and clock repairer

Optical instrument maker/repairer

Medical device assembler/repairer

Other precision instrument makers and repairers

International Careers(ISCO): 
Source Of Info: 

Source: SINGAPORE STANDARD OCCUPATIONAL CLASSIFICATION 2015, Department of Statistics, Ministry of Trade & Industry, Republic of Singapore