A complete walk through to building your very own Santos Mod with a review and links to the products used.
For those serious about Seiko modding this extensive guide has everything you need to know to become a competent Modder .
A top to bottom guide to building your own GMT watch. From Tools to step by step guide
Where to buy Seiko Mod Parts from bargain components to quality assured parts.
Information on the most popular Seiko movements (NH series), premium movement (NE series), history & more.
For those serious about Seiko modding this extensive guide has everything you need to know and grow into a Seiko Modder.
A top to bottom guide to building your own GMT watch. Including: step-by-step photo guide, review of parts and where to buy.
A list with basic uses of the tools required for Seiko Modding and the custom watch assembly.
An expandable list of tools you’ll need for Seiko modding. Info on top brands to great budget alternatives with community reviews and where to buy.
A cheap and cheerful starter kit that wont break the bank. Perfect for modders dipping their toes.
If you’re searching for a Seiko Santos mod on a budget, this guide is perfect for beginners looking to build your own iconic square dress watch homage, inspired by the Cartier Santos. (Don’t want to Read more
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If you’re searching for a vintage Seiko Submariner mod on a budget, this guide is ideal for beginners looking to build a classic dive watch inspired by the legendary Rolex 5513 reference. Like our popular Read more
If you’re searching for a Seiko Submariner mod on a budget, this guide is perfect for beginners looking to build your own iconic dive watch homage. Similar to our popular Beginner’s Tool Kit, this is Read more
As we move into 2026, Seiko modding continues to thrive—despite rising prices, discontinued models, and an ever-growing aftermarket. At the centre of this ongoing movement are two familiar names: the Seiko SKX and the Seiko Read more
Source – https://www.seikowatches.com/us-en/news/2025/importantnotice/20251006Important Notice from Seiko – Not legal advice. In a bold move that’s encouraged discussion among the watch modding community, Seiko Watch Corporation released an “Important Notice regarding Counterfeit and Modified SEIKO watches” Read more
Budget & Premium Options for Every Builder. So, you’ve got a pre-assembled Seiko mod case, and you’re ready to bring your custom watch to life. Whether it’s your first build or your tenth, having the Read more
Seiko NH05 – In the world of watch modding, movements often fall into two camps: rugged all-rounders like the NH35, and slim quartz modules for budget or size-sensitive builds. But for those of us chasing Read more
Ladies Seiko Mods – In 2025, small watches are officially back in style—and not just on the runways. The modding community is embracing the shift, with more options now available for ladies Seiko mods, sub-36mm Read more
Seiko Modder is on a mission to ignite the passion and creativity of watch enthusiasts around the world. Our purpose is to empower individuals at every modding skill level, from novices to seasoned experts, by providing comprehensive guides, trusted product reviews. We believe in the art of customisation, and our mission is to be the ultimate resource for Seiko watch enthusiasts, connecting them with the tools, knowledge, and inspiration needed to transform their timepieces into unique expressions of personal style.