Application
This unit of competency defines the skills and knowledge required to apply servicing techniques to mechanical chronograph watches, including sub-assemblies and case components, to ensure optimum performance and timekeeping.
No licensing, legislative or certification requirements apply to this unit at the time of publication.
Band: A
Unit weight: 6
Elements and Performance Criteria
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. | ||
1 | Determine servicing requirements and liaise with customer | 1.1 | Follow standard operating procedures (SOPs) |
1.2 | Comply with work health and safety (WHS) requirements at all times | ||
1.3 | Identify type of chronograph watch mechanisms and components | ||
1.4 | Prepare written quotation and inform customer of watch condition and performance concerns, outlining recommended service procedures to be undertaken to remedy identified faults | ||
1.5 | Verify and agree on servicing requirements with customer | ||
1.6 | Prepare watch for handover | ||
1.7 | Record and document repair process | ||
2 | Disassemble and reassemble chronograph watches | 2.1 | Establish an appropriate clean and safe work environment |
2.2 | Select and use appropriate personal protective equipment (PPE) in accordance with SOPs | ||
2.3 | Open and close chronographs watch cases | ||
2.4 | Use hand tools and equipment in safe and correct manner | ||
2.5 | Remove and replace case components, dials and hands, movements and sub-assemblies in correct sequence without damaging or marking | ||
2.6 | Verify condition of case pushbuttons, operation and gaskets and replace, as required | ||
2.7 | Clean cases and bands, as required | ||
2.8 | Apply dismantling and assembly precautions | ||
3 | Service and adjust chronograph mechanisms | 3.1 | Inspect condition of chronograph components |
3.2 | Lubricate chronograph mechanism with correct type and amount according to manufacturer specifications | ||
3.3 | Replace faulty or worn components | ||
3.4 | Clean chronograph components | ||
3.5 | Inspect chronograph watch for cleanliness and rectify imperfections and faults | ||
3.6 | Adjust chronograph components for correct end shake, clearances and penetrations | ||
4 | Test and adjust chronograph watch function and performance | 4.1 | Perform pre-service inspection and fault-finding of chronograph action, function and depthings |
4.2 | Verify and confirm dial and hand fitting, and casing up of chronograph | ||
4.3 | Verify watch performance and rate testing | ||
4.4 | Perform final adjustment and correction of recording and zeroing mechanism |
Foundation Skills
This section describes those required skills (reading, writing, oral communication and numeracy) that are essential to workplace performance in this unit of competency.
Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.
Range Statement
This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. | |
Chronograph watch mechanisms include one (1) or more of the following: | types - application of dial scale indications: tachymeter telemeter chronograph operating systems: pillar wheel actuated cam controlled features: minute record hour record automatic split second |
Appropriate working environment includes the following: | adequate lighting and ventilation clean bench and working area tools and equipment organised and in good condition ergonomic seating |
Record and document repair includes one (1) or more of the following: | date and extent of repair cost of replacement part time spent on procedure |
Dismantling and assembly precautions include one (1) or more of the following: | inspection of condition and adjustments of chronograph assembly functions verification of correct recording system operation: engagement depthing end shake penetration correct selection, application and amount of lubrication for chronograph mechanisms adjustment of timekeeping performance and balance amplitude during chronograph function |
Chronograph components include one (1) or more of the following: | operating mechanism (single or double pusher action) clutch system for chronograph engagement transmission (minute or hour record) flyback and zeroing |
Chronograph action includes one (1) or more of the following: | start, stop, reset to zero hand zeroing indexing minute and hour record |
Dial and hand fitting includes one (1) or more of the following: | hand fitting tools and supports alignments and synchronisation |
Watch performance and rate testing includes one (1) or more of the following: | beat error diagnosis and adjustment rate adjustment/positional errors amplitude (chronograph start - maximum variation +/- 40 degrees) |
Hand tools and equipment include one (1) or more of the following: | movement holders for operating chronograph functions timing machine rose cutters tools for removing chronograph driving wheel hand staking and fitting tools and supports case opening and closing tools |
Competency Field
Horology