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The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included. |
Watch type, function, construction and components | Watch type, function, construction and components may include: manual wound shock-resistance system (e.g. Incabloc and Kif) regulating system (e.g. conventional, free sprung and Etachron) power reserve indicator mainspring gear train escapement oscillator winding and setting |
Record and document repair | Record and document repair may include: extent and date of repair cost of replacement part time spent on procedure |
Appropriate working environment | Appropriate working environment may include: clean bench and working area adequate lighting and ventilation tools and equipment are organised and in good condition ergonomic seating ventilation |
Case components and movement sub-assemblies | Case components and movement sub-assemblies may include: glass and bezel (e.g. rotating) case back and gaskets crown, pendant, gaskets balance and cock assembly pallet, escapement components barrel and mainspring assembly gear train winding and setting mechanisms |
Inspect condition | Inspect condition may include: originality of components corrosion cleanliness wear |
Cleaning methods | Cleaning methods may include: conventional ultrasonic vibrational hand cleaning types of watch cleaning solutions used precautions for handling and disposing cleaning solutions |
Verify and adjust hand setting tension | Verify and adjust hand setting tension may include: test for correct friction (e.g. second hand or train not reversing) conventional cannon pinions friction driving wheel short off centre |
Watch assembly inspections and precautions | Watch assembly inspections and precautions may include assessing: winding and setting engagement, operation and lubrication gear train end shake, backlash and lubrication mainspring engagement, hooking, tension and lubrication escapement action, operation e.g. pallet jump and lubrication oscillator end shake, balance spring condition and correct amount lubrication |
Mechanical watch timing machine | Mechanical watch timing machine may include: Witschi watch expert or equivalent giving an indication of rate in seconds a day, beat error and amplitude |
Watch performance and rate testing | Watch performance/rate testing may include: in-beat under 0.5 milliseconds rate adjustment +/- 10 seconds per day amplitude minimum 220 - 270 degrees fully wound |
Hand tools and equipment | Hand tools and equipment may include: timing machine case opening/closing tools oilers and oil pots hand cleaning (e.g. pith, peg wood, rodico and solvents jar) |
Clean and safe work environment | Clean and safe work environment may be specified through: relevant legislation and regulations enterprise operating procedures 5S housekeeping related principles and procedures (e.g. sort, straighten, shine, standardise, sustain) |