Lesson Plan : How to Change a Mainspring
Teacher Name: | Thomas Jack |
Grade: | College/University |
Subject: | Other |
Topic: | Watchmaking |
Content: | Changing a watch mainspring using correct methods and avoiding damage to watch. |
Goals: | Remove movement from case and successfully change watch mainspring without scratching, blemishing, or breaking the watch or components. |
Objectives: | Students will be able to: 1. Properly handle a watch movement with care 2. De-case a watch movement and recase 3. Learn fine motor skill 4. Learn patience and focus |
Materials: | Latex Gloves Caseback Opener Movement Holder Tweezers 1mm Screwdriver 2.5mm Screwdiver |
Introduction: | Present a watch movement and diagram. Show diagram of parts and their functions. Let class pass around movement and practice holding it. |
Development: | Demonstrate removal of watch caseback using proper tools and methodology. Practice holding the movement and demonstrate common errors when holding it. |
Practice: | Remove movement from case and place it in the movement holder. As a class, unscrew the rotor and back plate. This will be done together. |
Accommodations: | Large scale movement with easy to handle parts. Written instructions for those with visual disabilities. |
Checking For Understanding: | Able to identify select parts using proper name. Able to identify risks behind improper handling. |
Closure: | Ensure that all students have changed the mainspring successfully. Demonstrate watch is working successfully. |
Evaluation: | 1. De-case Movement 2. Remove Bottom Plate 3. Change Mainspring 4. Reassemble Movement 5. Re-case Movement |
Teacher Reflections: |
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