Blued hands and screws are ubiquitous existences in the history of watchmaking. Behind that frequent appearance though is a history and science that go beyond the aesthetic value of flame bluing.

The story of the 4 most iconic dive watches, each a trailblazer in its own right. Together they shaped the landscape of dive watch as we know today.

Learn how to swap and adjust watch straps to easily give your watch a new look for any occasion. This guide covers installation of various types of straps, including quick release straps, metal bracelets, metal bands, and fabric straps like parachute straps. Follow step-by-step video guides to learn how to install each type of strap, and adjust the length of metal bracelets and mesh bands. Give your watch a stylish upgrade with a new strap today!

You can use our dive watch parts to mod Seiko dive watches (SKX007/SRPD).

Can you upgrade a NH35A watch into a NH34A GMT watch? Short answer: yes, but you'll need to adjust for two changes to the measurements. Read on to find out how to replace a NH35 with a NH34 movement.

The Seiko NH34A is a new GMT movement. Here are the specification and basic measurements of this mechanical automatic movement

It is definitely not a good sight when you discover moisture inside of your favorite watch. But don’t worry, it’s a fixable problem if you know what to do. Read on to find out

The story of how the Seiko 5 line started and where it is standing today.

A good watchmaking tool is hard to find. Here is how we designed the premium tools in our Pro Tool Kit

Find out what does SII and TMI mean on Seiko movements