

SEIKONAT MOD Nautilus (Open Heart)Black
Lowest price in the last 30 days: 299€
Parts in stock
Assembly in workshop
Delivery
Estimated delivery date:
✔ 2-Year Warranty
★ Premium Box Packaging
✈︎ Free Worldwide Shipping
Description
A bold statement in dark luxury, the SEIKONAT MOD Nautilus (Open Heart)Black boasts a full black IP coating case and integrated bracelet. This timepiece features the SEIKO NH38 automatic movement and an open-heart dial design that shows the intricate inner workings of the watch.The dial is designed with horizontal ridges to give it a modern, sleek appearance while the hands and markers are luminescent for legibility in low light.Perfect for anyone who enjoys understated elegance with an industrial flair, this model has been designed for those who seek sophistication and style.
✅ Case Size: 41mm
✅ Case Thickness: 12mm
✅ Lug Width: 20mm
✅ Case Material: Black IP Stainless Steel
✅ Dial Color: Black
✅ Crystal: Hardlex Mineral
✅ Movement: SEIKO NH38 Automatic
✅ Water Resistance: 100m
✅ Strap Material: Black Stainless Steel Bracelet
✅ Clasp: Butterfly Clasp
✅ Caseback: Exhibition (Open Caseback)
✅ Features: Date display, luminous hands & markers
Processing Time: 2–4 business days
Standard Shipping: 7–12 business days
Express Shipping: 3–7 business days
Worldwide tracking included

MOD DIAL TECHNOLOGY
Re-engineered components bring together high-precision parts and custom finishes to elevate every second on your wrist.
PREMIUM CRAFTMANSHIP
We don't do cheap replicas or mass-produced knockoffs. Every watch is crafted usingpremium-grade materialsandprecision-engineered parts, delivering the durability, weight, and feel of true luxury.
LUXURY IN EVERY DETAIL
Premium Packaging
Every timepiece deserves a presentation as refined as its craftsmanship. Our Premium Black Watch Box is designed to enhance your unboxing experience, offering a sleek and sophisticated storage solution for your watch.
- A matte black finish with a soft, protective interior to keep your watch secure.
- Crafted from durable materials for long-lasting elegance.
- Each watch comes with an official warranty card, ensuring peace of mind.
This box is a symbol of style and quality, just like the watch inside.

Warranty card
Scaning the QR code will lead you to our page for instruction manual and watch care








