Seiko Mod Nautilus RG Open Heart

Seiko Mod Nautilus RG Open Heart

$319.00
Sale price  $319.00 Regular price 
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Seiko Mod Nautilus RG Open Heart

Seiko Mod Nautilus RG Open Heart

$319.00
Sale price  $319.00 Regular price 

Inspired by the iconic Nautilus design and powered by the reliable Seiko NH38 automatic movement, this timepiece is hand-assembled for precision and style.

  •  Premium look & without luxury price
  •  Hand-assembled by professionals
  •  1-Year warranty + Worldwide express shipping

Crafted with 316L stainless steel, it offers a robust and elegant case built to last.

Sapphire crystal glass ensures scratch resistance and clear visibility, enhanced with anti-reflective treatment.

Tested for waterproofing, and designed with a clean no-date dial for a perfectly balanced look.

Diameter: 41 mm

Thickness: 12 mm

Glass: Sapphire, anti-reflective

Bracelet: Adjustable (14.5 cm – 22 cm)

Movement: Seiko NH38 Automatic

Waterproof: Tested & approved

A modern Seiko mod — clean, minimal, and built with purpose.

Shipping

United States:

Orders are typically delivered within approximately 7–10 business days after processing.
This includes 2-3 business days for order processing and 5–7 business days for shipping.

International:

Orders are typically delivered within approximately 10–14 business days after processing.
This includes 2-4 business days for order processing and 8–10 business days for shipping.

Please note that delivery times are estimates and may vary due to customs clearance, weather conditions, carrier delays, or public holidays.

Return policy

To start a return, you can contact us at: contact@watches-by-cody.com or chat with us directly on our website. 

Once your return is accepted, if you are a U.S customer, you will be provided a free return label. If you are an international customer, you can return the order with a shipping company to your likings, all shipping prices will be the responsibility of the buyer. Items sent back to us without first requesting a return will not be accepted. All international orders will be returned to our U.S return warehouse. 

Manufacturing

Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.

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Expert craftsmanship

Each watch is hand-assembled by specialists, with precise alignment, smooth crown/bezel action, and meticulous finishing.

Superior materials:

Genuine calibers and high-grade cases, crystals, and bracelets for real-world durability and performance.

Guaranteed quality:

Every watch passes strict multi-point QC before it ships, so you receive a timepiece you can trust

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FREQUENTLY ASKED QUESTIONS

What is a Seiko Mod?

A Seiko Mod is a special watch hand-assembled from a prestigious Seiko automatic or hybrid movement, combined with high-quality aftermarket parts, usually made of 904L stainless steel. 

Have you ever dreamed of acquiring your ideal timepiece?

The purpose of Seiko mods is to bring the designs of luxury watches to a wider audience without resorting to counterfeit products, and by always using the best materials, such as sapphire crystal or ceramic bezels.

How can I adjust the strap size?

We include (for free) a complimentary tool kit to help you adjust the strap properly.

Please refer to this guide and follow the instructions carefully to adjust your strap size.

Is it possible to remove the Seiko logo?

Absolutely. We provide the flexibility to customize your watch according to your preferences, including the option to remove the Seiko mark.

Please choose the option Logo - No logo and include your specific requirements in a message when placing your order if needed.

Where are your products manufactured?

Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.

How can I design my own watch?

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