Nomods Seikonaut / Nautilus Style Seiko Modding Case Ultrathin Black PVD

Black Seikonaut Seiko Mod Case – NH35 (Ultra-Thin)

Regular price1.500,00 kr
/
Tax included.
  • Sapphire Crystal
  • 100M waterproof
  • 316L Stainless Steel

Caseback
Anti-reflective coating

We offer free shipping directly from the factory! This way we can ensure fast delivery at a reasonable price.

  • 37mm
  • 11.6mm thick (Including glass)
  • Domed Sapphire Crystal
  • 100M waterproof
  • 316L Stainless steel
  • Fits NH35, NH38, NH36, NH70, NH71, NH72 etc...

Note: This is a pre-order of the case only. Final production may vary slightly from current specifications.

The Nomods Slim Black Seikonaut case delivers a stealth, ultra-thin profile for modders crafting a Nautilus-style Seiko build. Measuring just 9.95 mm (closed) and 10.3 mm (open caseback), it ranks among the slimmest Seiko modding cases available. Compatible with NH35, NH36, NH38, NH70, NH71, and NH72 movements, it fits 30.8 mm dials across skeleton, open-heart, and classic Seiko designs.

• Dimensions: 40 mm (10H–4H) × 38 mm (12H–6H)
• Material: 316L stainless steel with 20-micron black PVD plating
• Crystal: Sapphire with clear or blue AR coating
• Water Resistance: 50 m
• Includes: Case, Caseback (solid or open), Crown, Gaskets

Dark, refined, and durable, this black Seikonaut case is built for modders who want a minimalist, stealth aesthetic without compromising precision or quality.

FAQs

Nomods is based in Oslo, Norway. We offer shipping from our workshop here, or directly from our factory depending on buyers location. Read more about this in our shipping policy!

No chapter ring is needed! Our Petrichor Seiko Modding case as one case and it ready to be built with!

In order to make this as thin as possible, there is limited room in the back of the case. Therefore some custom rotors do not fit. Pay close attention to the respective rotor. Does it exceed the height of the middle screw? If yes then it may be too thick for this case.

Our Petrichor Seiko Modding Case houses 28.5/29mm dials!

Original Design

Our Petrichor case is designed and developed by us. We are proud to offer unique designs to the Seiko Modding Community and look forward to seeing your creative ideas paired with the Petrichor case!