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Seiko Nautilus Skeleton "Steel Ghost"

Seiko Nautilus Skeleton "Steel Ghost" Mod

The Seiko Nautilus Skeleton Mod is an exquisite, hand-assembled timepiece that brings a high-complication, avant-garde aesthetic to the legendary "porthole" design. This custom "mod" features a breathtaking skeletonized dial, removing the traditional face to reveal the intricate, rhythmic heart of the movement within. Encased in a finely brushed 316L stainless steel case with its signature octagonal bezel, the watch provides a perfect balance of architectural strength and mechanical elegance. Protected by a premium, scratch-resistant sapphire crystal, it offers an unobstructed view of the gears and escapement in motion. Powering this transparent masterpiece is the reliable Seiko NH70 automatic movement, specifically engineered for skeleton builds to ensure that every second is not just measured, but displayed as a work of horological art.

Model Name Seiko Nautilus Skeleton "Steel Ghost" Mod
A bespoke custom build that merges iconic luxury integrated-bracelet styling with a modern open-heart mechanical design.
Movement Type Seiko NH70 Automatic (Skeletonized)
A specialized Japanese movement featuring 24 jewels and a 41-hour power reserve, skeletonized to showcase the mainspring and balance wheel.
Case Material 316L Marine-Grade Stainless Steel
Features a mix of vertical brushed surfaces and mirror-polished chamfers to accentuate the iconic "ears" of the Nautilus-inspired profile.
Dial Architecture Open-Work Skeleton Frame
A minimalist black chapter ring with applied, luminescent indices that allow for easy time reading without obscuring the mechanical beauty beneath.
Crystal Type Flat Sapphire Crystal
Crafted from ultra-hard, lab-grown sapphire for superior scratch resistance and high-clarity viewing of the exposed internal movement.
Case Dimensions 40mm Diameter & 11.5mm Thickness
A slim, ergonomic profile designed for a low-slung fit on the wrist, staying true to the sleek proportions of high-end luxury sports watches.
Water Resistance 5ATM (50 Meters / 165 Feet)
Equipped with a screw-down crown and a reinforced exhibition caseback, providing reliable protection for daily wear and light water exposure.
Bracelet & Clasp Integrated H-Link Stainless Steel
A premium integrated bracelet with a hidden butterfly deployment clasp, offering a seamless look and exceptional comfort for all-day wear.

Frequently asked questions

WHAT IS A SEIKO MOD WATCH?

A Seiko Mod watch is a customized version of a standard Seiko Watch. The term "MOD" comes from "modification". These modifications are generally made for those who wish to personalize their watch according to their specific tastes or needs. Modifications can vary considerably, from minor aesthetic changes to more complex technical revisions.

What makes Seiko watches particularly amenable to modifications is the wide availability of spare parts. This abundance of components enables a wide range of customization, making each Seiko MOD watch unique.

At IndiaModWatches, we specialize in creating these unique timepieces—tailored to reflect your personal style and individuality.

WHAT MOVEMENTS DO YOU USE?

We use Seiko automatic movements, which are celebrated for their dependability, accuracy, and long-lasting performance.

Movements we use at IndiaModWatches, SL:

  • NH35, NH36, NH38 Automatic Movements.
  • VK63 Mechanical Movement.
CAN I ADJUST THE SIZE MYSELF?

We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location. We include (for free) a complimentary tool kit with every order to help you adjust the strap properly and easy.

SHIPPING TIME AND COST

The time taken for the entire order process, from assembling to delivery, is 9-12 working days (Monday-Friday).

About the cost, shipping is totally free, and we have also included your country's import duties in the price, so you won’t incur any additional charges or fees during the delivery of your watch. - We handle all costs a processes -

Please note that delivery times may vary depending on the destination country.

ARE THEY ORIGINAL?

We use genuine Seiko movements to create unique watches inspired by top designs.

Our timepieces are not replicas, and we are not affiliated with the Seiko brand in any way.

CAN I DESIGN MY OWN WATCH?

You can choose/customise your bracelet, case, dial, hands, and even add your own logo or initials.

If you want a personalised watch, please contact us on Whatsapp to discuss your options with one of our watchmakers.

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