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Timing Device Assemblers and Adjusters
SOC Code: 51-2093.00

Perform precision assembling, adjusting, or calibrating, within narrow tolerances, of timing devices such as digital clocks or timing devices with electrical or electronic components.

Sample of reported job titles: Calibration Specialist, Calibrator, Clockmaker, Horologist, Time Stamp Assembler, Watch Technician, Watchmaker


  • Assemble and install components of timepieces to complete mechanisms, using watchmakers' tools and loupes.
  • Observe operation of timepiece parts and subassemblies to determine accuracy of movement, and to diagnose causes of defects.
  • Test operation and fit of timepiece parts and subassemblies, using electronic testing equipment, tweezers, watchmakers' tools, and loupes.
  • Replace specified parts to repair malfunctioning timepieces, using watchmakers' tools, loupes, and holding fixtures.
  • Disassemble timepieces such as watches, clocks, and chronometers so that repairs can be made.
  • Clean and lubricate timepiece parts and assemblies, using solvents, buff sticks, and oil.
  • Examine components of timepieces such as watches, clocks, or chronometers for defects, using loupes or microscopes.
  • Bend parts, such as hairsprings, pallets, barrel covers, and bridges, to correct deficiencies in truing or endshake, using tweezers.
  • Change timing weights on balance wheels to correct deficient timing.
  • Adjust sizes or positioning of timepiece parts to achieve specified fit or function, using calipers, fixtures, and loupes.
  • Mount hairsprings and balance wheel assemblies between jaws of truing calipers.
  • Estimate spaces between collets and first inner coils to determine if spaces are within acceptable limits.
  • 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.
  • Turn wheels of calipers and examine springs, using loupes, to determine if center coils appear as perfect circles.
  • Examine and adjust hairspring assemblies to ensure horizontal and circular alignment of hairsprings, using calipers, loupes, and watchmakers' tools.
  • Review blueprints, sketches, or work orders to gather information about tasks to be completed.
  • Tighten or replace loose jewels, using watchmakers' tools.

Technology Skills

  • Analytical or scientific software - Maplesoft Maple
  • Data base user interface and query software - At Your Service Software At Your Service Repair; Data entry software
  • Internet browser software - Web browser software
  • Inventory management software - Inventory control software
  • Point of sale POS software - Retail sales software

Tools Used

  • Abrasive drums - Abrasive wheels
  • Air compressors - Portable air compressors
  • Ammeters - Clamp-on ammeters
  • Angle gauge - Level protractors
  • Automatic lathe or chucking machine - Modelmakers' lathes
  • Automatic soldering machine - Soldering machines
  • Belt conveyors - Materials conveyors
  • Bench scales - Computerized scales
  • Binocular light compound microscopes - Inspection microscopes
  • Boring machines - Horizontal boring bars; Jig boring machines; Semi-automatic boring machines
  • Burnishing machine - Burnishing wheels
  • C clamps
  • Calipers - Digital calipers; Poising calipers
  • Chamfering machine - Semi-automatic chamfering machines
  • Circuit tester - Test lights
  • Coating machines - Anti-electrostatic coating machines
  • Comparators - Electronic comparators
  • Coordinate measuring machines CMM
  • Deburring tool - Deburring tools
  • Diagonal cut pliers - Diagonal cutting pliers
  • Dial indicator or dial gauge - Dial indicators
  • Drill press or radial drill - Horizontal drill presses; Screw presses; Sensitive drill presses; Vertical drill presses
  • Drilling machines - Semi-automatic drilling machines
  • Electromagnetic geophysical instruments - Demagnetizing equipment
  • Engraving machines - Automatic engraving machines
  • Feeler gauges - Angled feeler gauges
  • Flat hand file - Flat hand-held files
  • Flat nose pliers
  • Force or torque sensors - Electronic torque testers
  • Gas burners - Bunsen burners
  • Glue guns - Glue dispensers
  • Go or no go gauge - Go/no-go gauges; Plug gauges
  • Grinding or polishing machines - Bench polishing machines; Glass bevelers
  • Hand reamer - Hand reamers
  • Hand vise - Colleting tools; Holding tools; Pin vises
  • Hardness testers - Hardness testing devices
  • Height gauges - Vernier height gauges
  • Jewellers pliers - Band notching pliers; Watchmaking pliers
  • Laboratory heaters - Heat lamps
  • Laboratory mechanical convection ovens - Bench ovens
  • Lapping machine - Cast-iron laps; Lead-tin laps
  • Loupes - Inspection loupes
  • Micrometer calipers - Millimeter gauges
  • Micrometers - Digital micrometers
  • Needlenose pliers
  • Oil gun - Oilers
  • Paint brushes - Artists' brushes
  • Personal computers
  • Picks - Mini picks
  • Planing machines - Semi-automatic planing machines
  • Pneumatic screwdriver - Pneumatic screwdrivers
  • Power buffers - Polishing wheels
  • Power grease gun - Automatic oil dispensers
  • Power grinders - Bench grinders; Grinding machines
  • Precision file - Radius files
  • Precision screwdriver - Link removal tools
  • Pressure indicators - Pressure testers
  • Pressure or vacuum recorders - Vacuum testers
  • Profiling and duplicating milling machine - Swiss-type automatic screwing machines
  • Pry bars - Spring bar tools
  • Pull spring balances - Spring balance scales
  • Punches or nail sets or drifts - Hand punches; Punch sets
  • Rivet tools - Riveting hammers
  • Rubber mallet - Rubber mallets
  • Saws - Buck saws
  • Screwdrivers - Straight screwdrivers
  • Shears - Industrial shears
  • Soldering iron - Electric soldering irons
  • Stamping dies or punches - Stamping tools
  • Straight edges - Straightedges
  • Tapping machine - Horizontal tapping machines; Semi-automatic tapping machines
  • Tube end finisher - Facing machines
  • Tumblers or polishers - Lapping machines
  • Turning machines - Automatic turning machines; Semi-automatic turning machines
  • Tweezers - Magnetic tweezers; Non-conductive tweezers
  • Vertical machining center - Vertical milling machines
  • Voltage or current meters - Digital voltmeters DVM
  • Watch or clock case openers - Case opening tools
  • Water jet cutting machine - Water jet cutters


  • Mechanical - Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
  • Mathematics - Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.


  • Repairing - Repairing machines or systems using the needed tools.
  • Quality Control Analysis - Conducting tests and inspections of products, services, or processes to evaluate quality or performance.
  • Troubleshooting - Determining causes of operating errors and deciding what to do about it.
  • Operation Monitoring - Watching gauges, dials, or other indicators to make sure a machine is working properly.


  • Finger Dexterity - The ability to make precisely coordinated movements of the fingers of one or both hands to grasp, manipulate, or assemble very small objects.
  • Arm-Hand Steadiness - The ability to keep your hand and arm steady while moving your arm or while holding your arm and hand in one position.
  • Near Vision - The ability to see details at close range (within a few feet of the observer).
  • Manual Dexterity - The ability to quickly move your hand, your hand together with your arm, or your two hands to grasp, manipulate, or assemble objects.
  • Problem Sensitivity - The ability to tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing there is a problem.
  • Control Precision - The ability to quickly and repeatedly adjust the controls of a machine or a vehicle to exact positions.
  • Information Ordering - The ability to arrange things or actions in a certain order or pattern according to a specific rule or set of rules (e.g., patterns of numbers, letters, words, pictures, mathematical operations).
  • Oral Comprehension - The ability to listen to and understand information and ideas presented through spoken words and sentences.
  • Visualization - The ability to imagine how something will look after it is moved around or when its parts are moved or rearranged.
  • Category Flexibility - The ability to generate or use different sets of rules for combining or grouping things in different ways.
  • Deductive Reasoning - The ability to apply general rules to specific problems to produce answers that make sense.
  • Oral Expression - The ability to communicate information and ideas in speaking so others will understand.
  • Visual Color Discrimination - The ability to match or detect differences between colors, including shades of color and brightness.


  • Interest code: RC
    • Realistic - Realistic occupations frequently involve work activities that include practical, hands-on problems and solutions. They often deal with plants, animals, and real-world materials like wood, tools, and machinery. Many of the occupations require working outside, and do not involve a lot of paperwork or working closely with others.
    • Conventional - Conventional occupations frequently involve following set procedures and routines. These occupations can include working with data and details more than with ideas. Usually there is a clear line of authority to follow.

Work Context

  • Face-to-Face Discussions
  • Freedom to Make Decisions
  • Contact With Others
  • Structured versus Unstructured Work
  • Indoors, Environmentally Controlled
  • Frequency of Decision Making
  • Telephone
  • Work With Work Group or Team
  • Importance of Being Exact or Accurate
  • Spend Time Sitting
  • Impact of Decisions on Co-workers or Company Results
  • Coordinate or Lead Others
  • Electronic Mail


Percentage of RespondentsEducation Level Required
91%High school diploma or equivalent
4%Professional degree
2%Less than high school diploma

Work Styles

  • Attention to Detail - Job requires being careful about detail and thorough in completing work tasks.
  • Integrity - Job requires being honest and ethical.
  • Dependability - Job requires being reliable, responsible, and dependable, and fulfilling obligations.
  • Independence - Job requires developing one's own ways of doing things, guiding oneself with little or no supervision, and depending on oneself to get things done.
  • Adaptability/Flexibility - Job requires being open to change (positive or negative) and to considerable variety in the workplace.
  • Cooperation - Job requires being pleasant with others on the job and displaying a good-natured, cooperative attitude.
  • Persistence - Job requires persistence in the face of obstacles.
  • Achievement/Effort - Job requires establishing and maintaining personally challenging achievement goals and exerting effort toward mastering tasks.
  • Self Control - Job requires maintaining composure, keeping emotions in check, controlling anger, and avoiding aggressive behavior, even in very difficult situations.
  • Initiative - Job requires a willingness to take on responsibilities and challenges.
  • Innovation - Job requires creativity and alternative thinking to develop new ideas for and answers to work-related problems.
  • Analytical Thinking - Job requires analyzing information and using logic to address work-related issues and problems.
  • Stress Tolerance - Job requires accepting criticism and dealing calmly and effectively with high stress situations.
  • Leadership - Job requires a willingness to lead, take charge, and offer opinions and direction.

Work Values

  • Support - Occupations that satisfy this work value offer supportive management that stands behind employees. Corresponding needs are Company Policies, Supervision: Human Relations and Supervision: Technical.
  • Working Conditions - Occupations that satisfy this work value offer job security and good working conditions. Corresponding needs are Activity, Compensation, Independence, Security, Variety and Working Conditions.
  • Achievement - Occupations that satisfy this work value are results oriented and allow employees to use their strongest abilities, giving them a feeling of accomplishment. Corresponding needs are Ability Utilization and Achievement.

Wages & Trends

  • Median wages (2017)
    • $16.73 hourly, $34,800 annual
  • Employment (2016)
    • 1,000 employees
  • Projected growth (2016-2026)
    • Decline (-2% or lower)
  • Projected job openings (2016-2026)
    • 100

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