Seiko Mod Crystal Anti-Reflective Coating Explained

Seiko Mod Crystal Anti-Reflective Coating Explained

For Seiko modders, you don’t have to spend extra effort searching for crystals with AR coating because these are usually already applied by default, although you do need to double check the description to know which type of coating you’re getting. Yes, they’re a bit different in the way they are applied, and color too. 

April 10, 2026 — Jeremiah A
Building a Seiko Mod Watch for an Active or Laidback Lifestyle

Building a Seiko Mod Watch for an Active or Laidback Lifestyle

Sometimes we buy a watch for no real reason. Maybe we like the color, maybe it fills a gap in the collection, or maybe we just wanted it. Nothing wrong with that, until the honeymoon phase ends and daily wear reveals it wasn’t the best fit after all.

March 27, 2026 — Jeremiah A
Screw-Down vs Push-Pull Crowns: Which One You Need (And Why)

Screw-Down vs Push-Pull Crowns: Which One You Need (And Why)

If you’re not careful and skip some of the product descriptions while browsing for modding parts, there’s a small but very real chance that you could make the mistake of buying the wrong crown for your case.

March 26, 2026 — Jeremiah A
Does a Case’s Lug to Lug Length Affect Comfort When Wearing a Watch

Does a Case’s Lug to Lug Length Affect Comfort When Wearing a Watch

People can focus too much on case diameter, which is the width of the watch. It sounds like the most important number, but in real use, there’s another measurement that plays a bigger role in comfort, and that’s lug to lug length.

March 19, 2026 — Jeremiah A
How to Choose the Right Seiko Mod Case: Size, Shape, Finish, and Fit

How to Choose the Right Seiko Mod Case: Size, Shape, Finish, and Fit

This mega-guide aims to give you the knowledge you need to make a smart decision with the case for your next build.

March 13, 2026 — Jeremiah A
Deep Dive: The Seiko Sumo

Deep Dive: The Seiko Sumo

It might not always be the first Seiko diver people talk about, but for many collectors and definitely for its owners, it’s one worth endorsing as a part of one’s diver collection. Folks, today we are looking at the Seiko Sumo.

March 06, 2026 — Jeremiah A
Case Size vs Wrist Size: The Seiko Mod Fit Guide

Case Size vs Wrist Size: The Seiko Mod Fit Guide

This guide will walk you through how to measure your wrist, what the important case specs mean, and how to match them so your build looks and feels right. Let’s jump right in.

March 06, 2026 — Jeremiah A
Seiko Mod Lessons from Microbrands Using NH Movements

Seiko Mod Lessons from Microbrands Using NH Movements

Two watches can use the exact same NH movement and feel completely different on the wrist. What really separates a great microbrand watch from a forgettable one is everything around the movement.

March 05, 2026 — Jeremiah A
Deep Dive: The Unimatic U4 "Modello Quattro"

Deep Dive: The Unimatic U4 "Modello Quattro"

Founded in Milan by Giovanni Moro and Simone Nunziato, the Unimatic brand has always focused on restraint, and the Modello Quattro U4 feels like the clearest version of that philosophy so far. 

February 26, 2026 — Jeremiah A
How Movement Choice Affects The Other Seiko Mod Parts On Your Build

How Movement Choice Affects The Other Seiko Mod Parts On Your Build

If you choose the wrong movement without planning around it, small details can ruin an otherwise great watch. Here is how different movement choices affect the rest of your parts.

February 20, 2026 — Jeremiah A
Hand-Wind vs Automatic vs Quartz for Modding: Pros and Cons

Hand-Wind vs Automatic vs Quartz for Modding: Pros and Cons

Each movement type has strengths and each has weaknesses. While automatic movements truly are the right choice for 99% of builds, going a different route and trying out manual wind and quartz movements can make for some unique watches.

February 13, 2026 — Jeremiah A
Seiko Mod Movements Explained: NH, VK, Miyota, and What to Use in 2026

Seiko Mod Movements Explained: NH, VK, Miyota, and What to Use in 2026

In this comprehensive guide, we'll explore the most popular movements used in Seiko modding today, diving into their specifications, real-world performance, and ideal use cases. By the end, you'll have the knowledge to confidently select the perfect movement for your next build.

February 09, 2026 — Jeremiah A