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Inspired by the iconic Nautilus design, the Seiko Mod Nautilus is a 41mm statement piece that fuses timeless luxury with modern reliability. Powered by the renowned Seiko NH70 automatic skeleton movement, this watch brings together elegant aesthetics and mechanical precision—perfect for those who appreciate refined craftsmanship without compromise.
Exceptional Craftsmanship
Case Diameter: 41mm / 1.61" (excluding crown)
Movement: Seiko NH70 automatic – open-heart skeleton design for mechanical artistry and dependable accuracy
Case Thickness: 12mm / 0.47"
Glass: Scratch-resistant sapphire with anti-reflective coating for superior clarity
Material: Premium 316L stainless steel – robust, corrosion-resistant, and impeccably finished
Luminova: Enhanced visibility in low-light conditions
Crown: Screw-down for added water resistance
Case Back: Transparent crystal exhibition case – showcasing the movement’s inner workings
Designed for Elegance & Everyday Wear
Bracelet: Integrated 316L stainless steel with butterfly-style safety clasp for a seamless fit
Wrist Size: Adjustable from 14.5cm / 5.7" to 22cm / 8.66"
Lug Width: 13mm – unique integrated design for a sleek, modern silhouette
Water Resistance: 3 ATM – suitable for daily sophistication and light exposure to water
A modern homage to one of the most coveted silhouettes in horology, the Seiko Mod Nautilus delivers iconic style, mechanical depth, and everyday versatility—all at an accessible price point. Designed for those who value understated luxury and precision engineering.
At Watch Mod, we offer you the choice to personalize your dial.
You can select:
This allows you to choose between a classic look or a fully sterile dial for a unique, understated finish.
An adjustment kit is included with your Watch Mod box. This kit allows you to easily adjust your watch to your size by following the instructions provided in the package.
Our Watch Mod watches are one-of-a-kind pieces, unavailable in traditional retail stores. Our customised watches are built with authentic Seiko movements, while the remaining components are meticulously selected for their quality and are not Seiko parts.
These unique creations are in no way affiliated with any watch brands, and we independently market our customised products. Our brand is not affiliated with Seiko in any way.
Production & Delivery Timeline
In total, the full process, from production to delivery takes approximately 7 to 15 business days (Monday to Friday).
✅ Shipping is free worldwide, and all customs duties and import taxes are included in the price. You won’t have to pay anything upon delivery.
Need help? Our team is here!
Contact us at
contact@my-watch-mod.com
or click for help.
$29.99
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Join thousands of watch collectors who proudly wear their custom-built Watch Mod.
Your watch. Your design. Your way.
CHOOSE YOUR DESIGN
Pick your favorite model from our curated selection or unleash your creativity with our online customizer.
Pick your favorite model from our curated selection or unleash your creativity with our online customizer.
WE HANDCRAFT IT
Our expert watchmakers carefully source each component of your watch and assemble it with precision and attention to detail.
RECEIVE YOUR UNIQUE WATCH
Your one-of-a-kind timepiece arrives in a premium Watch Mod gift box, complete with an adjustment kit so it fits your wrist perfectly.
Each Watch Mod watch is meticulously crafted in our workshop to combine precision, elegance, and customisation. From the dial to the strap, every detail is carefully designed to create a unique and exclusive piece, reflecting your style and meeting the highest standards.
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 Watch Mod, 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.
Each watch comes with an adjustment kit, making it easy for you to customise the bracelet size for a perfect fit.
Absolutely! You can choose from our existing models or fully customize your watch using our configurator to design a timepiece that matches your style and preferences perfectly.
Yes, you can choose your preferred dial version directly when selecting the product variant.
Both options are fully compatible and built using the same reliable Seiko movement.
It’s just a matter of personal style.
The assembly of your customized watch typically takes 2 to 4 business days, depending on demand. Once shipped, delivery usually takes 7 to 10 business days.
You can expect to receive your ready-to-wear watch within approximately 12 to 15 business days.