MEM21007
Service complex quartz watches


Application

This unit of competency defines the skills and knowledge required to service complex quartz analog, digital and duo display watches, including chronographs and perpetual calendars with multiple step motors and ultrasonic step motor calendar driving systems.

No licensing, legislative or certification requirements apply to this unit at the time of publication.

Band: A

Unit weight: 4


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 watch functions and features

1.4

Prepare written quotation and inform customer of watch condition and performance concerns

1.5

Outline recommended service procedures to be undertaken to remedy identified faults

1.6

Verify and agree on servicing requirements with customer

1.7

Prepare watch for handover

1.8

Record and document repair process

2

Disassemble complex quartz watch cases, movements and components

2.1

Establish appropriate working environment

2.2

Select and use appropriate personal protective equipment (PPE) in accordance with SOPs

2.3

Select and use appropriate workshop tools and equipment

2.4

Open and close watch cases

2.5

Remove case components and movement without damaging or marking

2.6

Verify gasket condition and replace, as required

2.7

Clean cases and bands, as required

3

Service complex quartz watch case and movement components

3.1

Inspect condition of movement and case components

3.2

Confirm servicing requirements

3.3

Replace faulty or worn component parts

3.4

Clean and inspect watch case and components for cleanliness and rectify imperfections and faults

4

Reassemble and test complex quartz watches

4.1

Reassemble multiple step motors, perpetual calendar mechanisms, watch movement and case components

4.2

Perform work according to manufacturer guidelines and specifications

4.3

Confirm correct assembly and operation of gear train and perpetual calendar driving system

4.4

Use correct types and amounts of lubricant

4.5

Use specialist service tools, jigs and testing equipment

4.6

Verify watch functioning of calendar and chronograph mechanisms

4.7

Verify and adjust watch performance and rate testing

4.8

Perform resetting and zeroing and synchronising of chronograph and perpetual calendar displays

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.

Complex quartz watch functions and features include one (1) or more of the following:

chronograph

perpetual calendar

repeater

perpetual calendar with multiple step motors

ultrasonic step motor calendar driving systems

Record and document repair process includes one (1) or more of the following:

customer written quotation detailing faults

recommendations of most appropriate service procedure

cost estimation of replacement part

time spent on procedure

Appropriate working environment includes the following:

suitable watchmakers' bench

clean and orderly work area (precautions taken to minimise dust)

suitable lighting and adequate ventilation

ergonomic chair with adjustable height

Workshop tools and equipment include one (1) or more of the following

timing machine

multimeter

pulse generator

watch repair and construction hand tools

case opening and closing tools

cleaning media

cleaning machines

lubricants

PPE

Case components include one (1) or more of the following:

watch glasses

case back

bezel

crown

pendant

pushbuttons (arbors and circlips)

gaskets

Watch performance/rate testing includes one (1) or more of the following:

current consumption (to manufacture specifications)

pulse generation

lower working limit test

gear train freedom

types of quartz regulating systems (capacitive, inhibition and thermo-compensation)

rate adjustment for various types of quartz watch (+0.25 - 0.3 seconds/day)


Competency Field

Horology