Unit of Competency Mapping – Information for Teachers/Assessors – Information for Learners

MEM21008 Mapping and Delivery Guide
Service mechanical watches

Version 1.0
Issue Date: May 2024


Qualification -
Unit of Competency MEM21008 - Service mechanical watches
Description
Employability Skills
Learning Outcomes and Application This unit of competency defines the skills and knowledge required to service mechanical watches, including movements, sub-assemblies and components. It covers common servicing requirements for mechanical watches undertaken by all watch repairers.Where work beyond normal servicing requirements is required unit MEM21009 Inspect, diagnose, adjust and repair mechanical watches should also be selected.No licensing, legislative or certification requirements apply to this unit at the time of publication.Band: AUnit weight: 4
Duration and Setting X weeks, nominally xx hours, delivered in a classroom/online/blended learning setting.
Prerequisites/co-requisites
Competency Field Horology
Development and validation strategy and guide for assessors and learners Student Learning Resources Handouts
Activities 		Slides
PPT 		Assessment 1 Assessment 2 Assessment 3 Assessment 4
Elements of Competency Performance Criteria              
Element: Determine servicing requirements and liaise with customer
  • Follow standard operating procedures (SOPs)
       
Element: Comply with work health and safety (WHS) requirements at all times
       
Element: Identify watch type, functions, construction and components
       
Element: Carry out pre-repair tests to verify water resistance, as required
       
Element: Prepare written quotation and inform customer of watch condition, completeness and performance concerns
       
Element: Outline recommended service procedures to be undertaken to remedy identified faults
       
Element: Verify and agree on servicing requirements with customer
       
Element: Prepare watch for handover
       
Element: Record and document repair process
       
Element: Disassemble watch, case and movement components for servicing
  • Establish an appropriate clean and safe work environment
       
Element: Select and use appropriate personal protective equipment (PPE) in accordance with SOPs
       
Element: Open and close watch cases
       
Element: Use hand tools and equipment in safe and correct manner
       
Element: Remove case components and movement sub-assemblies in correct sequence without damaging or marking
       
Element: Verify condition of case gaskets and replace, as required
       
Element: Clean watch case and band, as required
       
Element: Service watch case, movement, sub-assemblies and components
  • Inspect condition of movement, sub-assemblies and case components
       
Element: Confirm servicing requirements
       
Element: Replace faulty or worn component parts/movement, sub-assemblies or case
       
Element: Select appropriate cleaning methods and clean components
       
Element: Inspect watch case and components for cleanliness and rectify imperfections and faults
       
Element: Reassemble watch, movement and case components
  • Reassemble watch movement and case components according to manufacturer specifications
       
Element: Assemble motion work and verify and adjust hand setting tension
       
Element: Check and adjust component operation and watch functioning
       
Element: Lubricate components and sub-assemblies according to manufacturer specification
       
Element: Apply watch assembly inspections and precautions
       
Element: Test and adjust watch function and performance
  • Verify function of watch movement and sub-assemblies
       
Element: Correctly set up and operate mechanical watch timing machine and interpret readings
       
Element: Verify watch performance and rate testing and adjust according to manufacturer specifications, as required
       

Submission Requirements

List each assessment task's title, type (eg project, observation/demonstration, essay, assignment, checklist) and due date here

Assessment task 1: [title]      Due date:

(add new lines for each of the assessment tasks)

Assessment Tasks

Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.

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.

Watch type, function, construction and components include one (1) or more of the following:

manual wound

shock-resistance system

regulating system

power reserve indicator

mainspring

gear train

escapement

oscillator

winding and setting

Function and operating principles of mechanical watches include the following:

shock resistance system

regulating systems (conventional, free sprung and Etachron)

mainsprings as generators of power motive force

gear train to transmit power

escapement to release power

oscillator to control the speed of release of power

winding and setting to wind watch and set hands to time

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

extent and date of repair

cost of replacement part

time spent on procedure

Appropriate working environment includes the following:

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 include one (1) or more of the following:

glass and bezel

case back and gaskets

crown, pendant and gaskets

balance and cock assembly

pallet and escapement components

barrel and mainspring assembly

gear train

winding and setting mechanisms

Inspect condition includes inspection of the following:

originality of components

corrosion

cleanliness

wear

Cleaning methods include one (1) or more of the following:

conventional

ultrasonic

vibrational

hand cleaning

types of watch cleaning solutions used

precautions for handling and disposing cleaning solutions

Verify and adjust hand setting tension includes one (1) or more of the following:

test for correct friction

conventional cannon pinions

friction driving wheel

short off centre

Watch assembly inspections and precautions include one (1) or more of the following:

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 includes the following:

Witschi watch expert or equivalent giving an indication of rate in seconds a day, beat error and amplitude

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

in-beat under 0.5 milliseconds

rate adjustment +/- 10 seconds per day

amplitude minimum 220 - 270 degrees fully wound

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

timing machine

case opening/closing tools

oilers and oil pots

hand cleaning tools:

pith

peg wood

rodico

solvents jar

Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.

Observation Checklist

Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice Yes No Comments/feedback
Follow standard operating procedures (SOPs) 
 
 
 
 
 
 
 
 
Establish an appropriate clean and safe work environment 
 
 
 
 
 
 
Inspect condition of movement, sub-assemblies and case components 
 
 
 
 
Reassemble watch movement and case components according to manufacturer specifications 
 
 
 
 
Verify function of watch movement and sub-assemblies 
 
 

Forms

Assessment Cover Sheet

MEM21008 - Service mechanical watches
Assessment task 1: [title]

Student name:

Student ID:

I declare that the assessment tasks submitted for this unit are my own work.

Student signature:

Result: Competent Not yet competent

Feedback to student

 

 

 

 

 

 

 

 

Assessor name:

Signature:

Date:

Assessment Record Sheet

MEM21008 - Service mechanical watches

Student name:

Student ID:

Assessment task 1: [title] Result: Competent Not yet competent

(add lines for each task)

Feedback to student:

 

 

 

 

 

 

 

 

Overall assessment result: Competent Not yet competent

Assessor name:

Signature:

Date:

Student signature:

Date: