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Swiss Watchers

Seiko Steel "Nautilus" Mod (Blue & Green Dial)

Seiko Steel "Nautilus" Mod (Blue & Green Dial)

Regular price $260.00 USD
Regular price Sale price $260.00 USD
Sale Sold out
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This is a unique and one-of-a-kind timepiece that combines classic Seiko craftsmanship with modern styling. This watch has been meticulously modified to feature a range of custom upgrades, including a new dial, hands, and bezel. The watch features a beautiful and unique dial design, with bold numbers and markers for optimal visibility. The watch is powered by a Seiko NH35 Automatic movement, which has been finely tuned for accuracy and reliability. The watch also comes with a beautiful 20mm wide stainless steel solid half brushed/half polished bracelet. All of the watch parts that we use are sourced from the highest quality OEM aftermarket factories and original Seiko Parts ✅️

Whether you're a collector or simply appreciate the finer things in life, this custom-built Seiko Mod is sure to be a standout piece in your collection. Order yours today and experience the perfect blend of tradition and modernity.

This Seiko watch is a homage to the popular Nautilus model.

In this watch we use a very high quality Mechanical Automatic NH35 Movement with a Date Function.


For a more detailed look at the Swiss Watchers Custom Seiko Steel "Nautilus" Mod, be sure to check out our Hands-On Review, where you can learn more about the watch's unique features and design.


Seiko Steel Nautilus 5711 Mod Details


SEIKO NH35 automatic movement

Case diameter

42mm (without crown)

The thickness of the case


Strap width



  • Date Display: Watch includes a date display.


  • Green or Blue dial
  • Date window at 3 o’clock position

3ATM Water resistance

We Measure the accuracy and water resistance on all of our watch builds before shipping them out.

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  • Shipping Policy

    • All orders are processed within 1-3 business days. Once your order has been processed, you will receive a tracking number via email.
    • We offer tracking on all orders, so you can easily monitor the progress of your shipment.
    • Our products are hand-built by our watchmakers in Asia, so please allow for additional processing time.
    • We ship worldwide. Shipping time for UK, Germany, Italy, and France is 7-14 days. Shipping time for the rest of the world is 7-18 days.
    • Please note that shipping times may be affected by public holidays, customs inspections, and other unforeseen circumstances.
    • If you have any questions or concerns about your order, please contact us at

    Thank you for choosing Swiss Watchers for your Seiko watch mod needs. We strive to provide the best products and services to our customers and look forward to your continued business.

    We Offer Free Shipping On All Orders!