Workshops
Lesson Plans

WS111 Servicing a Pocket Watch Lesson Plan

First Day

          Introduction

• Introduction of the Instructor
• Overview of the course content

          Nomenclature

• The train   

• Mainspring barrel
• Wheels
• Winding mechanism

• The escapement

• Escape wheel
• The pallet
• The balance assembly

• The motion works

• Setting mechanism
• Canon pinion
• Hour wheel
• Minute wheel

• Plates and bridges
• Case

Break

Disassembling the watch

• Letting down the power
• Removing the movement from the case
• Removing the hands
• Removing the dial
• Removing the motion works

Lunch

Continue disassembly

• Disassembling the rest of the movement
• Remove mainspring from barrel
• Inspecting the movement
• Inspecting the pivots
• Inspecting the gears
• Inspecting the mainspring
• Assessing the general condition of the movement

Break

• Cleaning
• Using the ultrasonic cleaner
• Preparing the plates and bridges

Second Day

Reassembling the movement

• Lubricating and replacing the mainspring
• Reassembling the train

          Break

Reassembly (con’t)

• Reassembling and lubricating the balance
• Reassembling the motion works
• Lubricating the movement

Lunch

          Reassembly (con’t)

• Replacing the dial and hands
• Timing and adjusting the movement

Break

Casing the movement

Discussion

• Review of the material covered
• Questions and discussion of problems

Adjournment