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SPECS
CUSTOM SEIKOSUB EDITION MARINE MASTER BLACK HAWK MOD
Regular price
$579.95 USD
Sale price
$324.95 USD
Handcrafted custom timepiece built with premium components and trusted Japanese movements.
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Description & Specifications
The Marine Master Black Hawk Mod stands as a bold homage to legendary dive watch design, merging timeless aesthetics with modern precision. Its deep black dial, luminous markers, and sleek ceramic bezel create a commanding yet refined presence. Constructed from brushed 316L stainless steel and fitted with a solid bracelet, it delivers both strength and sophistication. A sapphire crystal with anti-reflective coating and a screw-down crown ensure clarity and durability in any setting.
Driven by the reliable Seiko NH35 automatic movement, this 40mm timepiece embodies precision and resilience. With 3ATM water resistance and a crystal or steel case back, it reflects expert craftsmanship and enduring character—crafted for those who value individuality and timeless performance.
SPECS
| Specification | Details |
|---|---|
| Movement | Seiko NH35 Automatic |
| Case Material | 316L Stainless Steel |
| Crystal | Sapphire, Anti-Reflective |
| Bezel | Black Ceramic |
| Dial | Black with Luminous Markers |
| Case Size | 40mm Diameter, 12mm Thickness |
| Water Resistance | 3 ATM |
| Crown | Screw-Down |
| Strap/Bracelet | 316L Stainless Steel with Security Clasp |
| Case Back | Crystal (Open) or Steel (Closed) |
| Features | Luminous Hands & Markers, Scratch-Resistant, Hand-Assembled Build |
Return Policy
Enjoy peace of mind with our 30-day money-back guarantee. If your purchase doesn’t meet expectations, simply return it within 30 days for a full refund—no questions asked. Shop confidently, knowing we’re committed to your complete satisfaction.
2 Years Warranty
Enjoy peace of mind with our complimentary 2-year extended warranty. Every watch is protected against manufacturing defects to ensure long-term reliability and satisfaction.
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CUSTOMER REVIEWS
Rated 4.6 / 5 based on 1100+ reviews.
Showing our 5-star reviews.
Mojo M.
VerifiedJanuary 15, 2025
Came in a sturdy case with a 2-year warranty card inside. Packaging felt premium, and the sapphire glass looks crystal clear—amazing first impression.
Seikosub Marine Shadow
John D.
VerifiedJanuary 12, 2025
Arrived faster than expected and perfectly packaged. The domed glass gives a beautiful vintage vibe, thanks!
Seikosub Milsub Nato
Natan R.
VerifiedJanuary 10, 2025
Solid build, vintage diver look, and smooth automatic movement—feels pretty premium on the wrist.
Scubamaster 58
Michael T.
VerifiedJanuary 8, 2025
The presidential bracelet feels super comfortable and solid. Sapphire glass is spotless, and packaging with the warranty card was a great touch.
Seikodate Champagne
Lenny P.
VerifiedJanuary 5, 2025
Perfect blue tones and great detailing. Shipping was fast, and the watch came well-packed with a warranty card included.
Speedseiko Blue
David P.
VerifiedJanuary 3, 2025
Really like the clean edges and smooth finish on this watch. The brushed steel case looks sharp, and the open-heart dial adds a nice touch. Feels well-built and comfortable on the wrist.
Nautiko Emerald
Monty S.
VerifiedJanuary 1, 2025
Fantastic quality and great attention to detail. It’s easily my new favorite watch. Shipping was fast, packaging was secure, and I’ll definitely be adding more to my collection.
Seitona Bumble Bee
Robert L.
VerifiedDecember 28, 2024
Best purchase I've made in a while. The quality is outstanding and worth every penny.
Nautiko Open Heart
George L.
VerifiedDecember 25, 2024
The watch arrived spotless—Feels sturdy on the wrist, and the sapphire glass stays perfectly clear.
Seikodate Imperial
Chris B.
VerifiedDecember 22, 2024
Superb quality and excellent customer service. This is my favorite MOD store for sure! Love the open back case too.
Nautiko Open Back Case
Nico H.
VerifiedDecember 20, 2024
Fantastic quality and great attention to detail. It’s easily my new favorite watch. Shipping was fast, packaging was secure, and I’ll definitely be adding more to my collection.
Seitona Bumble Bee
Mark J.
VerifiedDecember 18, 2024
Arrived quickly with all accessories included. The packaging was neat, and the watch looks great in person. Very happy with it.
Seikojust Champagne
Hand-assembled with care from sapphire crystal, ceramic bezels, leather or stainless steel straps— All powered by precise Japanese movements.
Your signature timepiece
Unlike mass-produced mods that cut corners, MONOMODS Watches delivers handcrafted, precision-built timepieces using only premium components and movements.
| What Sets Us Apart |
|
|---|---|
| Handcrafted by professionals | ✔ |
| Tested for waterproof resistance | ✔ |
| Strict quality control & tested performance | ✔ |
| Fast shipping & guaranteed delivery | ✔ |
| Premium movements & high-grade parts | ✔ |
| Warranty-backed quality you can trust | ✔ |
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Frequently asked questions
Are the watches waterproof?
Our watches have a 3ATM water resistance, meaning they handle splashes and rain but are not suitable for swimming or diving.
What warranty do you offer?
Every watch includes a 2-year international warranty covering mechanical defects and craftsmanship.
What movement does the watch use?
Each timepiece is powered by a reliable Japanese movement such as the NH34, NH35, NH70, or VK63 renowned for their precision, durability, and smooth performance. We carefully select these proven automatic and hybrid calibres to ensure every watch delivers lasting accuracy and mechanical excellence.
How long will delivery take?
Orders typically arrive within 5–14 days with free tracked shipping. You’ll receive tracking updates once your watch ships.
Can I return or exchange my watch?
Yes, you have a 30-day money-back guarantee from the day you receive your order. Contact support@monomods.com to start a return.
Can I request custom adjustments or strap changes?
Absolutely. If you’d like a different strap, bracelet, or color not listed on our site, contact our support team before ordering, and we’ll personalize it for you where possible.
Are you affiliated with Any other brands?
No. We’re an independent brand using authentic Japanese movements and custom components to create unique handcrafted timepieces.
What materials are used?
All watches are made with premium 316L stainless steel, sapphire crystal glass, and high-grade ceramic or alloy components for durability and clarity.
Do you offer engraving or personalization?
Yes. We offer custom engraving and personalization options to make your timepiece truly yours. Whether it’s a name, date, or special message, our team can engrave it discreetly on the caseback. Simply contact support@monomods.com before or after your order, and we’ll guide you through the options available.
What happens if my watch arrives damaged?
In the rare case your watch arrives damaged or defective, don’t worry — you’re fully covered. Contact support@monomods.com within 7 days of delivery, and we’ll arrange a replacement or repair at no cost. Every watch is protected under our 2-year warranty and 30-day money-back guarantee for your peace of mind.
