Nomods Aquanaut-Inspired Seiko Mod – Rosegold Accents on Black PVD Case with Green Strap

Aquanaut-Inspired Seiko Mod – Rosegold Accents on Black PVD Case with Green Strap

$290.00
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We accept returns/exchanges according to our policy for unworn items in original condition. Custom changes may have different terms — contact us for questions

Seikonaut – Black Skeleton Seiko Mod with Rosegold Dial & Green Strap (40mm)

This 40mm Seikonaut delivers one of the boldest color combinations in the lineup: a deep black PVD case, refined rosegold hands and indexes, and a vivid green rubber strap. It’s a striking, high-contrast configuration that blends elegance and sport in perfect proportions.

At its core is the NH72 skeleton movement, showcasing every detail of the inner mechanics. Unlike a typical Seiko Nautilus open heart dial, this design removes the entire surface — exposing the balance wheel, gear train, and bridges in motion. The result is a build that’s not only more complex, but far more expressive than any stock Seiko dial can offer.

The green strap brings energy to the darker case and warm dial elements, making this mod one of the most visually balanced and unique pieces in the Seikonaut series.

Fully compatible with high-grade Seiko mod watches parts, this watch is a go-to choice for builders seeking modern styling with layered mechanical depth.

Disclaimer: This is a custom-built watch assembled by us using genuine TMI (Time Module Inc.) movements, a subsidiary of Seiko Instruments Inc., part of Seiko Group Corporation.
This product is not an official Seiko watch and is not endorsed by or affiliated with Seiko Group Corporation or its subsidiaries.

Other Colors

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!

We do not offer counterfeit logos on our products.

Contact us for a customized logo

If you are having a hard time removing the screws from the bracelet, take the case and bracelet under some warm soapy water and wiggle each link back and forth. This will clean out residue from production which makes the screws easier to remove and improve the bracelet quality over all

AR coating stands for Anti reflective coating and reduces the reflection in the crystal enhancing visibility. Blue AR has a slightly tinted reflection while Clear AR has not.

Scroll down to see the comparison!

No it does not! Our 37mm Royal Oak Seiko Modding case arrives as one complete case, and is ready to house a movement straight from the box.

In order to make this Seiko Mod Case as thin as possible, there is limited room in the back of the case. Therefore some custom NH35 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.

We recommend a 28.5/29mm dial for our 37mm Royal Oak Case. The typical 31.8mm mod dials that many Royal Oak Mod Cases use are too big.

Clear vs Blue Anti-reflective Coating
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