BUY 2 WATCHES, GET 1 FREE
🎉 Exclusive sale of the Month 🎉
BUY 2 WATCHES, GET 1 FREE
🎉 Exclusive sale of the Month 🎉
Nautiko Blue Open Heart
Specification
Inspired by the iconic Nautilus design, and featuring the prestigious Seiko NH38 automatic movement, we present the Seikonaut mod. A 41 mm high quality watch combining the perfect alliance between excellence and accessibility.
Carefully assembled by experts with the next features:
- Diameter: 41mm (excluding the crown)
- Movement: Seiko NH38 automatic movement
- Thickness: 12mm
- Glass: Sapphire, anti-scratch with anti-reflective treatment
- Luminescent: Yes
- Case: 316L stainless steel
- Crown: Screwed
- Wrist size: 14,5cm to 22cm (adjustable)
- Lugs: 13mm
- Bracelet: 316L stainless steel (with a butterfly style security clasp)
- Case back: Crystal (seen movement)
- Water resistance: 3 ATM
- Open Heart: Fully visible, working heart of the movement
- Power reserve: 41 Hours
Disclaimer:
This is a custom-built timepiece using genuine Seiko components, such as the movement. It is a third-party modification and is not affiliated with, endorsed by, or manufactured by Seiko Watch Corporation. “Seiko” is mentioned only to describe the origin of certain parts used in this custom build. All trademarks are the property of their respective owners.
What is Seiko Mod?
A Seiko Mod is a hand-assembled watch made from a prestigious Seiko automatic or hybrid movement, combined with high-quality aftermarket parts, often crafted from 904L stainless steel.
Warranty Policy
At Royal Mods, we stand behind the quality and craftsmanship of every timepiece we create. This warranty policy outlines what is covered, what isn’t, and how to request service should you encounter an issue.
✅ What’s Covered
Warranty Coverage: This warranty covers mechanical movement and core timekeeping functions of watches manufactured by Verilon Mods.
Warranty Period: 2 years from the original purchase date (only for the first customer).
We cover:
Factory defects in materials and workmanship under normal use.
Necessary parts and labor to address eligible defects.
Movement not functioning under standard conditions (no impact or tampering involved).
Shipping Details
Orders
Each Royal timepiece is hand built to order according to your chosen design and specifications. To ensure the highest possible standards, we have a lead time of 1 week from the date of order to dispatch. This allows us to carry out the necessary quality control procedures and ensure your watch is crafted to your utmost satisfaction. All orders placed through our webstore are subject to the given lead time even if the item is shown as "In stock".
Shipping
All Worldwide shipments are fully insured with tracking and mainly handled by our delivery partner. Once shipped, you will receive a personal notice with dedicated tracking information. International orders typically take 5 days to be delivered. These times may vary depending on unavoidable circumstances faced by the delivery partner. Shipping charges are calculated upon checkout and may vary depending on the country of destination.
Customs Import Tax for International Customers
International orders may be subject to import taxes, customs duties, and/or fees imposed by your countries import laws. Such charges are not included in the product price or shipping cost, and are to be borne by the buyer. The buyer is responsible for any associated costs and must abide by their country's laws, regulations, and restrictions.
Nautiko Blue Open Heart
Free shipping and returns
Premium craftsmanship in every timepiece
At Royal Mods, we don’t do cheap replicas or mass-produced knockoffs. Every watch is crafted using premium-grade materials and precision-engineered parts, delivering the durability, weight, and feel of true luxury.
Patented mod dial technology
Royal Mods reengineered components bring together high-precision parts and custom finishes to elevate every second on your wrist.
SEIKO MOVEMENT
Automatic, self-winding, 41+ hour power reserve, and trusted in the watch industry for its accuracy.
WATER RESISTANT
Planning to swim? No problem, our watches are 10ATM water-resistant and built for everyday wear.
316L STAINLESS STEEL
Crafted from 316L stainless steel, the same grade used by luxury watch brands. The best thing is the color wont fade!
SAPPHIRE CRYSTAL
Fitted with sapphire crystal, ultra-clear, scratch-resistant. Your watch stays sharp, no matter what.
FAQs
Please read our FAQs page to find out more.
What is a Watch Mod?
A Watch Mod is a custom-built timepiece made by modifying or replacing key components such as the dial, bezel, or hands to achieve a unique and personalized design.
At Royal Mods, each watch is hand-assembled with care and precision, using premium parts inspired by iconic models, to deliver a timepiece that’s both distinctive and built to last.
How can I adjust my watch size?
Each watch comes with an adjustment kit, making it easy for you to customize the bracelet size for a perfect fit.
Shipping Time ?
Total delivery time is 5–9 business days. Every watch is handmade and tested to make sure it’s perfect before we ship it.
About the cost, shipping is totally free.
Are they original ?
We use genuine Seiko movements to create unique watches inspired Top Designers.
Our timepieces are not replicas and we are not affiliated the Seiko brand in any way.
Do you use authentic Seiko movements ?
Yes, we use genuine Seiko NH35/NH38 movements, renowned for their precision and reliability. Each watch is carefully assembled in our workshop to ensure a unique product.
Please note that we are not affiliated with Seiko. Our watches are not replicas, they are fully customized timepieces built from compatible components.