How to repair a Seiko 7S26 Automatic wrist watch (original) (raw)

Chapter 1

Let's get started! Introduction, choice of the movement, which one to buy, model reference number.

More

Chapter 2

Essential tools required for disassembling and assembling a watch. Recommendations for a workbench.

More

Chapter 3

Identifying the calibre, reference and serial numbers, and bracelet adjustment. Plus some frequently asked questions.

More

Chapter 4

Pulling a watch apart - and even putting it together - is not that difficult at all. What is challenging for many novice horologists is the deeper understanding of how a watch works, Or more precisely why it is constructed the way it is.

More

Chapter 5

As we are getting closer to disassembly of the Seiko 7S26 watch mechanism, now is the perfect time to get familiar with a very basic concept of automatic (or self-winding) movement.

More

Chapter 6

Disassembly - case / bracelet / movement extraction

More

Chapter 7

Now that we got our movement out of the case, we are ready for more serious disassembly.

More

Chapter 8

Disassembly of the Seiko 7S26 Automatic Winding System - "The Pump"

More

Chapter 9

In this chapter we will continue with the disassembly of the Seiko 7S26's remaining units, starting with components in the power source unit, then the oscillator and then we will disassemble the counter or train wheels. In addition, the last step is to pull apart remaining components in the time and calendar setting assembly.

More

Chapter 10

This chapters deals with disassembly of the mainspring barrel and mainspring cleaning and lubrication. Before you undertake disassembly of the mainspring barrel, there are a few things to note...

More

Chapter 11

In this chapter, you will learn a couple of concepts related to components re-assembly. It also contains a few exercises to help build your confidence and skills to a level which will allow you to undertake more complex procedures later on.

More

Chapter 12

Continuation of Chapter 11. Assembly of train wheels and the escapement.

More

Chapter 13

In this chapter we will commence assembly of our Seiko 7S26 movement.

More

Chapter 14

Assembly of train wheels.

More