







Seiko Mod Royal Oak Skeleton Black

Very satisfied with my purchase, the quality is incredible. Customer service was also amazing!

Got this for my boyfriend. He thought it was a Rolex at first 😎 Looks and feels amazing.

This Seiko mod is 🔥. You won’t find better craftsmanship in this price range.

The transparent back is such a flex. Looks custom, feels luxury.

Was skeptical but the weight, shine, and finish are all top notch.
Seiko Mod Royal Oak Skeleton Black 41mm – Custom Automatic Watch, Handcrafted in Switzerland
The Seiko Mod Royal Oak Skeleton Black 41mm combines timeless elegance and robustness. Handcrafted in our workshops in Switzerland, this watch is designed for lovers of high-end automatic watches. Featuring a 41mm octagonal stainless steel case and a Seiko NH70A automatic movement, it combines luxury and performance to meet the expectations of discerning collectors. Highlights of the Seiko Mod Royal Oak Skeleton Black
Octagonal Case and Seiko NH70A Automatic Movement
The 41mm 316L stainless steel case, with its iconic octagonal design, offers both robustness and elegance. The Seiko NH70A automatic movement, a skeleton caliber renowned for its precision and unique aesthetics, guarantees a 41-hour power reserve, with a fascinating view of its inner workings in action.
Each watch is hand-assembled in our workshops in Switzerland, where watchmaking expertise meets the excellence of the materials. The Seiko Mod Royal Oak Skeleton Black is a true work of art, ideal for lovers of unique and refined Seiko mods.
Premium Materials and Sapphire Crystal
The 316L stainless steel case is protected by an ultra-scratch-resistant sapphire crystal, ensuring exceptional durability and perfect clarity. Its 10 ATM water resistance makes it a reliable companion for everyday use and light aquatic activities.
Distinctive Details and Skeleton Dial
This unique model features a fully openworked skeleton dial, highlighting the refined mechanics of the NH70A movement. Luminescent indexes and hands ensure optimal readability, even in the dark.
Technical Specifications
Diameter: 41 mm
Power reserve: 41 hours
Crystal: Scratch-resistant sapphire
Case: 316L stainless steel (octagonal)
Movement: Seiko NH70A automatic (skeleton)
Water resistance: 10 ATM (daily use, light water activities)
Warranty: 12 months

Our Mission
We’re here to elevate the art of watch customization.
Every piece we modify blends performance and personality — allowing our customers to own a timepiece that’s as unique as they are.
Because watches don’t just tell time — they tell your story.
Craftsmanship & Quality
Each build is handcrafted by skilled modders using premium components.
We prioritize quality in every step — from case finishing to mechanical precision.
The result? A custom timepiece that doesn’t just look exceptional — it performs that way too.
Commitment & Transparency
We are not affiliated with or endorsed by Seiko.
All of our builds are independently modified Seiko timepieces, created by enthusiasts — for enthusiasts.
You’re getting real Seiko quality, paired with personal craftsmanship and total transparency.
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