Unit of competency Outline

Date retreived
22/07/2026 4:57 PM AWST

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Service and repair mechanical watch oscillating systems

Service and repair mechanical watch oscillating systems

Unit of competency
National Code
MEM21012
State Code
OAT84
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
26/06/2019
View on TGA
State Implementation and Classification
Approved Date
Field of Education
030715 - Precision Metalworking
Original Release Date
Nominal Hours
36
Description
This unit of competency defines the skills and knowledge required to apply service and repair techniques and procedures for balance staff replacement of mechanical watch oscillating systems and components. No licensing, legislative or certification requirements apply to this unit at the time of publication.Band: AUnit weight: 4
Notes
Elements and Performance Criteria
1 Determine job requirements
  • 1.1 Follow standard operating procedures (SOPs)
  • 1.2 Comply with work health and safety (WHS) requirements at all times
  • 1.3 Select and use appropriate personal protective equipment (PPE) in accordance with SOPs
  • 1.4 Identify job requirements from specifications, job sheets or work instructions
2 Identify oscillator types
  • 2.1 Identify oscillating construction types and components
  • 2.2 Establish the performance characteristics of the watch oscillating system
  • 2.3 Record and document repair requirements
3 Diagnose oscillator condition
  • 3.1 Select and use appropriate workshop tools and equipment
  • 3.2 Inspect oscillator components for condition, function, end shake and performance
  • 3.3 Record and report wear and damage to component parts
  • 3.4 Determine appropriate repair process to rectify faults
4 Repair, replace and adjust oscillator components
  • 4.1 Remove and reassemble balance complete and oscillator components using appropriate tools, equipment and techniques
  • 4.2 Determine type and method of balance staff removal and replacement
  • 4.3 Test security of replacement balance staff and oscillator components
  • 4.4 Inspect condition and adjust balance wheel and oscillator components for correct operation
  • 4.5 Determine type of roller and roller jewel and the method of removal and replacement procedures
  • 4.6 Inspect, diagnose and adjust balance spring to achieve optimum performance and timekeeping
  • 4.7 Inspect, service and replace components for shock protection devices fitted to mechanical oscillators
5 Test and adjust oscillator
  • 5.1 Verify and confirm function of watch movement
  • 5.2 Set up and operate mechanical watch timing machine and interpret readings
  • 5.3 Verify watch performance and timekeeping
  • 5.4 Adjust in-beat and rate, as required, according to performance and design characteristics
No information
No information
Replaces
State Code National Code Title Type
D5465 MEM21012A Service and repair mechanical watch oscillating systems Unit of competency