Seiko Nautilius

Seiko Nautilius

What Is the Seiko Nautilus Mod?

TL;DR: Elegant, skeletonized Seiko mods inspired by the legendary Nautilus. Built with NH72 automatic movements, sapphire crystal, and brushed stainless or PVD cases—finished with integrated bracelets or custom rubber straps. Designed in Norway, powered by Seiko.

Seiko Nautilus mods are high-end custom watches using the reliable Seiko NH72 skeleton movement, encased in designs that reflect the iconic aesthetic of the Patek Philippe Nautilus. These builds offer the prestige of a luxury silhouette with the reliability and affordability of Japanese horology.

  • NH72 skeleton automatic movement with golden bridges and visible mechanical architecture
  • Nautilus-style case in brushed stainless steel or black PVD finish
  • Sapphire crystal for clarity and scratch resistance
  • Integrated bracelet or custom rubber strap for iconic wearability
  • Swiss-inspired design language with modern materials and finishes

Want to dive deeper into how Seiko mods are made? Visit our Seiko modding blog for behind-the-scenes looks, movement guides, and styling ideas.

FAQs

A “Seiko Mod” refers to a custom Seiko watch that has been altered to match an individual’s style or functional needs.

Modifications can be purely aesthetic, such as changing the dial, case, hands, or bezel, or functional, such as improving movement accuracy or durability with features like water resistance. These modifications provide watch enthusiasts the opportunity to create a unique timepiece that fits their personal preferences and enhances their watch-wearing experience.

Seiko modding is a fun and creative way to customize your watch. If you’re just starting, you’ll need basic tools and parts like dials, movements and hands to personalize your timepiece. Explore our shop for compatible parts, and feel free to reach out for help identifying the right components or installing them. Our resources are here to make your modding journey easy and enjoyable!

Shipping from our workshop in Norway has an estimated delivery of 7-14 days worldwide.