Seiko Mod Nautilus Open Heart | White
Very satisfied with my purchase, the quality is incredible. Customer service was also amazing!
Got this for my boyfriend. He thought it was a Rolex at first 😎 Looks and feels amazing.
This Seiko mod is 🔥. You won’t find better craftsmanship in this price range.
The transparent back is such a flex. Looks custom, feels luxury.
Was skeptical but the weight, shine, and finish are all top notch.
Refined, reliable, and built to impress — the Seiko Mod Nautilus Open Heart | White blends modern sport-luxury styling with mechanical character. Featuring a clean white dial and an open-heart display, this 41mm timepiece showcases the movement in action through a visible front window, creating depth and visual intrigue.
With no date window, the dial remains balanced and uncluttered, emphasizing symmetry and refined detailing.
Performance & Movement
Powered by the NH38 automatic movement (open heart), this watch delivers smooth sweeping seconds and reliable mechanical performance. Designed for durability and everyday wear, the exposed balance wheel adds a dynamic focal point to the dial.
Specifications
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Diameter: 41mm
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Thickness: 12mm
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Movement: NH38 Automatic (Open Heart)
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Glass: Sapphire crystal (anti-scratch)
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Case: 316L stainless steel
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Luminova: Yes
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Crown: Screw-down crown
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Bracelet: 316L stainless steel with butterfly clasp
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Lug Width: 13mm
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Wrist Size: Adjustable from 14.5cm to 22cm
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Case Back: Transparent (visible movement) or Steel (closed back)
All watches are assembled by hand. Please allow 3–5 business days (excluding weekends) for assembly prior to shipment. Processing times may extend during peak periods.
In the Box
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1 × Modified Watch
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Watch Box
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Tool Kit
Disclaimer: VVS Jewelry operates independently and is not affiliated with Omega or any other watch brand. This is a Seiko mod watch built using an original Seiko movement and high-quality aftermarket components. Specifications and finishing may vary slightly due to handcrafted assembly.
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Our Mission
We’re here to elevate the art of watch customization.
Every piece we modify blends performance and personality — allowing our customers to own a timepiece that’s as unique as they are.
Because watches don’t just tell time — they tell your story.
Craftsmanship & Quality
Each build is handcrafted by skilled modders using premium components.
We prioritize quality in every step — from case finishing to mechanical precision.
The result? A custom timepiece that doesn’t just look exceptional — it performs that way too.
Commitment & Transparency
We are not affiliated with or endorsed by Seiko.
All of our builds are independently modified Seiko timepieces with original Seiko movement and aftermarket parts.
You’re getting real Seiko quality, paired with personal craftsmanship and total transparency.
Questions & Answers
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Questions & Answers
Have a Question?
Be the first to ask a question about this.
Engineered for Everyday Excellence
Crafted from high-grade 904L stainless steel and protected by a sapphire crystal, this watch is built to endure. Its Seiko automatic movement ensures lasting performance, while the iconic black dial in Arabic numerals offers a bold, modern twist.
Subheading
Product Details & Info
• Case Sizes: 36mm or 39mm for most models
• Case Material: 316L Stainless Steel
• Crystal: Sapphire, anti-reflective coating
• Movement: Seiko Automatic
• Bracelet Options: Jubilee or Presidential
• Date Display: Arabic or Latin
• Warranty: 1 Year
Every watch is hand-assembled and ships within 5 to 12 business days.
Delivery time (once shipped):
• USA & Canada: 7-10 business days
• Europe & UK: 5-8 business days
• Worldwide: 10–12 business days
You'll receive a tracking number via email as soon as your order is dispatched.
Each timepiece is covered by a 1-year warranty that protects against manufacturing defects.
You'll also receive an official invoice with every purchase for your records.
If you experience any issues, our support team is here to help.
What Watch Collectors Are Saying
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"The moment I opened the box, I knew this was special. The Arabic dial adds a unique cultural touch that stands out in my collection."
Khalid M., Dubai
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"Feels as solid as my Swiss watches. The craftsmanship is on point and I love how versatile it looks on the wrist."
James L., New York
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"Shipped faster than expected. Already got three compliments the first day I wore it."
Ahmad R., London
Need help?
Frequently Asked Questions
Each custom watch is hand-assembled and ships within 3 to 5 business days. Delivery takes 7 to 10 days once shipped, depending on your location.
Yes. All watches come with a 1-year warranty and an official invoice for your records.
Yes, your information is protected with SSL encryption and payments are processed via Shop Pay, PayPal, and Sezzle.
