Nomods Seiko Mod - Petrichor 37mm Gun Metal

Seiko Mod - Petrichor 37mm Gun Metal

$390.00 $320.00 Save $70.00
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Petrichor Seiko Mod Watch – Gunmetal Case with Silver Skeleton Accents

Stealth meets sophistication. The Petrichor in Gunmetal with Silver Hands and Indexes is a darker, more modern take on our signature Seiko mod. Featuring a matte gunmetal grey finish over 316L stainless steel, this modded Seiko watch feels bold, technical, and effortlessly cool.

Inside, the fully exposed Seiko NH72 skeleton movement delivers both visual depth and mechanical charm — framed by silver markers and skeleton hands that shimmer against the dial’s industrial tones. Paired with a domed sapphire crystal and display caseback, the mechanical architecture takes center stage from every angle.

Designed using premium Seiko mod parts, this is a complete Seiko skeleton mod that ships fully assembled — no tools, no hassle.

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Our watches can easily be adjusted to fit your wrist perfectly. With our watches we include a tool so you can wear it as soon as it has arrived!

The Petrichor Skeleton Seiko Mod

The Petrichor Seiko Mod is the perfect alternative to our Seikoaks. With a domed sapphire wrapping around the handstack, you get a bezel and rehaut that sits low on the wrist ultimately making the watch feel super slim! This crystal also allows more light to shine on the NH72 movement showing all the beautiful details you can expect in the best skeleton watches.

Our mods come in Gold, Rose gold, silver and gunmetal

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, braces and hands to personalize your timepiece. Explore our shop forcompatible 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.

Always comfortable

The Petrichor clasp is equipped with a quick-adjust buckle, giving you roughly one full link of on-the-go adjustment. Perfect for those hot days when your wrist expands, or when you simply want to fine-tune the fit during the day. This upgrade adds modern comfort to any custom Seiko mod watch and is a must-have for serious modders, or simply any watch enthusiast.

Nomods Seiko Mod - Petrichor 37mm Silver
Nomods Seiko Mod - Petrichor 37mm Silver

A wristfriendly option

At Nomods, we design Seiko mod cases that are as wrist-friendly as they are stylish. The Petrichor case offers a balanced 37 mm diameter with a 45 mm lug-to-lug (51 mm including end link), delivering a comfortable fit without sacrificing wrist presence. Its slim profile makes it an ideal choice for modders looking to create custom Seiko mod watches that wear well all day.

Slimmest Seiko Mod?

Designed for serious Seiko mods, the Nomods Petrichor case uses a custom domed sapphire crystal that wraps around the Seiko movement’s hand stack. This innovation allows for a low-sitting bezel and minimal rehaut, eliminating the bulk and tall rehauts that many modders struggle with. The result is a slimmer, more balanced profile — perfect for building your dream Seiko mod watch.

Nomods Seiko Mod - Petrichor 37mm Silver

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