The Essential Seiko Modding Guide For Newbies: Part 2

(This is the second part of a two-part guide on Seiko Watch Modding. If you’re looking for part 1, head over here!)

In the first part of The Essential Seiko Modding Guide For Newbies, we talked much about why watch modding is as famous as it is today and why it’s special. Of course, we are only seeing the start of what’s to come thanks to the fact that the field is growing rapidly (and so are the available mod parts that can be purchased). 

As you get into the world of Seiko diver modding, there is still so much that you need to know about it so that you can truly make the most out of your efforts and expenses. Fortunately, there’s no better time to learn than now because of all the available resources, tools, and options today—one example of which being this guide! 

Without further ado, let’s hop back into our Seiko modding guide so you can equip yourself with everything you need to know: 

What’s the Best Watch for Modding? 

Nearly all of Seiko’s dive models are eligible canvases for any kind of modding project, so you’re probably wondering what you should start with. For first-timers, it’s best to choose a piece that is in the lower end of the price spectrum. This way, you can ensure that any mistakes aren’t so costly. 

For many years, the most common watch to mod was the Seiko Turtle. It has an easy-to-configure build, is widely available, and has a lot of aftermarket modding support. However, in recent years, one particular type of dive watch has become THE watch to work with: the Seiko SKX007 platform.

Compared to other timepieces that anyone can tinker with, the SKX007 stands out as the apple of the eyes of modders because of all the different advantages it bears: 

  • Lower price
  • Ease of use
  • Hassle-free maintenance
  • The largest assortment of mod parts (and aftermarket support)
  • Flexibility in terms of finishes and themes

What Are the Kinds of Modding You Can Work With?

Generally speaking, the process of Seiko diver modification is largely up to your imagination—which means you can do anything you want. However, the standard builds executed with an adequate amount of mod parts and a wide range of tools are mainly grouped into two main categories: 

1. Complete Modification

This type of diver modding project is exactly what it sounds like: it’s a complete modification of a Seiko watch that is carried out to achieve a complete overhaul.

Although this type of modification can sound intimidating or difficult, the reality is that it’s still fairly easy to carry out because all you’re really doing is increasing the number of parts you swap out. Instead of changing one or two parts, a complete modification will have you changing most—if not all—the different components found on your watch—such as:

  • The case
  • The movement
  • The case back
  • The gaskets and click springs
  • The crown
  • The bezel

And more. 

2. Subtle Modification

Subtle modification—as the name suggests—is a watch modding route that simply entails achieving minor changes without swapping multiple parts. 

As a nod to simplicity, this type of project entails swapping out a few aesthetic pieces such as bezels, inserts, crystals, and straps. But, don’t let the limited number of changes fool you, a subtle change or two can make a significant difference in how your watch looks, feels, and works! 


Among the many things you can do to your beloved Seiko timepiece, one of the most exciting processes you can undertake is watch modding. Through the help of the key points mentioned above (and those elaborated upon in part one of this guide), you can get started on your modification journey with the right foot forward.

When it comes to custom diver components, we’re the leading supplier of Seiko mod parts in the UK. We offer various products to make any model unique. Bring out your creativity and escape ubiquity in the watchmaking world by visiting our website and ordering mod parts today!

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