Current Top Selling Seiko Mod

SeiNaut White Open Heart- Custom Seiko Mod NH38 Automatic

TrustPilot 4,8 | 45+ reviews

Authentic Movement (Manufactured by Seiko Instruments, distributed by Time Module Inc)

Exclusive Premium Parts from suppliers of Nagoya, Japan

Assembled by watchmakers with more than +5 years experience

€299,99

€329,99

Dial width:

41 mm

Backcase:

Transparant Solid

Variant

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✔ 6 months warranty

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Muzi Luxe Black PU Leather Watch Presentation Box

€12.99

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Introducing the SeiNaut Alpha Black - a premium automatic watch with a custom Seiko Mod NH38 movement. Expertly crafted with precision engineering and sleek design, this watch boasts reliable timekeeping and exceptional style. Elevate your collection with this timepiece.

Overview & Key Features

Collection: SeiJust (Inspired by Datejust, a refined and classic blend, perfect for elegant, everyday wear).
Case Size: 40mm, ideal for a bold wrist presence.
Dial: Navy Blue Roman Dial with embossed/textured details for an eye-catching look.
Hands: Luminous silver-tone hands coated in Luminova, ensuring high visibility in low light conditions.
Bracelet: Silver Jubilee Bracelet with a secure butterfly clasp, adjustable for a custom fit.
Water Resistance: 100m (10 ATM), perfect for swimming and snorkeling.
Movement: Seiko NH35 Automatic Movement with a 41-hour power reserve and stop-second function for precise timekeeping.
Glass: Scratch-resistant sapphire crystal with anti-reflective coating.
Bezel: Fluted Bezel, known for its elegance and durability.

Specifications

Case Diameter: 40mm
Case Thickness: 12mm
Lug Width: 20mm
Weight: 160g for comfortable wear
Water Resistance: 100m (10 ATM)
Movement: Seiko NH35 Automatic Movement (Manufactured by Seiko Instruments, distributed by Time Module Inc) with a 41-hour power reserve
Functions: Stop-second, manual winding, date function
Crown: Screw-down crown for enhanced water resistance
Lume Type: Luminova on the dial for superior visibility in the dark
Bracelet Adjustability: Adjustable length for a perfect fit

Inclusives

Watch: SeiJust Grey Roman with all specified features.
Watch Box: Muzi Luxe Black PU Leather Watch Presentation Box.
Warranty: Muzi Exclusive Warranty for Quality Assurance.
Adjustable Tool: Tool for easy bracelet adjustment.

Materials

Case: 316L Stainless Steel with brushed and polished finish.
Dial: High-quality copper, featuring embossed/textured details.
Bezel: Fluted Bezel, scratch-resistant and durable.
Bracelet: Silver Presidential Bracelet with a Deployment clasp.
Glass: Sapphire Crystal with anti-reflective coating.
Case Back: Transparent sapphire back, showcasing the movement.

SeiNaut White Open Heart- Custom Seiko Mod NH38 Automatic

€299,99

€329,99

Product story

SeiNaut

The SeiNaut by Muzi Watches is inspired by the iconic Nautilus, designed in the 1970s by Gérald Genta to redefine luxury sports watches with its unique rounded bezel and integrated bracelet. By combining Seiko’s precise movement with these classic design cues, the SeiNaut offers a modern homage to this era-defining piece, crafted for those who appreciate both elegance and resilience.

The Beating Heart of Precision

Powered by authentic Seiko movements, known for precision and reliability. This movement delivers consistent accuracy, with an impressive power reserve of 41 hours and a visibility feature that lets you see the mechanism in action.

• Accuracy: -20 to +40 seconds per day
• Power Reserve: Approx. 41 hours

Each detail is carefully chosen to offer both technical excellence and aesthetic appeal, perfect for enthusiasts and everyday wearers alike.

Need help?

Frequently Asked Questions

Order

Do you ship overseas?

Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. We run discounts and promotions all year, so stay tuned for exclusive deals.

How long will it take to get my orders?

It depends on where you are. Orders processed here will take 5-7 business days to arrive. Overseas deliveries can take anywhere from 7-16 days. Delivery details will be provided in your confirmation email.

Any question?

You can contact us through our contact page! We will be happy to assist you.

Mastering the Art of Time, Your Way

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30 days to test our products

4.8/5 Star reviews

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PREMIUM QUALITY

316L Stainless steel | Sapphire crystal

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SeiNaut White Open Heart- Custom Seiko Mod NH38 Automatic

SeiNaut White Open Heart- Custom Seiko Mod NH38 Automatic

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