Product Overview

The SeikMariner Grey Carbon Fiber Diver Black GMT Mod by Modtime is a luxury custom timepiece designed for professional divers, collectors, and watch enthusiasts. It combines a durable case with premium materials and a high-precision Japanese GMT movement, providing functionality and aesthetic appeal in one robust package.

Materials and Construction

• Case: Solid 316L stainless steel with a brushed finish for corrosion resistance and durability.
• Bracelet: 316L stainless steel with secure folding clasp, matching case material.
• Crystal: Anti-scratch sapphire glass with anti-reflective coating for enhanced clarity.
• Bezel: Ceramic bezel insert engineered for scratch resistance and lasting gloss, unidirectional rotation for accurate timing.
• Dial: Grey carbon fiber pattern with high-visibility luminous markers and hands.

Dimensions and Compatibility

• Diameter: 40 mm (excluding crown).
• Thickness: 12 mm.
• Wrist Size Compatibility: Fits wrist sizes from 14.5 cm to 22 cm, with 20mm lug width for easy strap swaps.
• Weight: Approximate weight is aligned with standard stainless steel dive watches, ensuring secure comfort on the wrist.

Key Features

• Movement: Japanese NH34 automatic GMT movement, with hacking and hand-winding capabilities.
• Water Resistance: 5 ATM (50 meters), suitable for swimming and shallow diving.
• Luminescence: Super-LumiNova on hands and markers for superior nighttime visibility.
• Case Back: Choice of exhibition crystal case back or solid steel for durability and display.
• Additional: Screw-down crown enhances water resistance and security.

The Modtime Luxury Mod Experience

Discover refined craftsmanship and timeless design with Modtime Creations. Our custom timepieces embody the balance of style and precision, delivering premium quality to collectors and everyday enthusiasts alike.

Superior Components:

Only Japanese automatic movements and premium aftermarket parts are used for every Modtime Creations watch. Each piece is equipped with sapphire glass for exceptional scratch resistance and enhanced durability.

Expert Craftsmanship:

Professionally hand-assembled by dedicated horologists, each Modtime Creations Mod watch is subject to rigorous quality control. This meticulous process guarantees flawless functionality and a work of wearable art.

Use Cases: Perfect for everyday to formal dress.

What's included: Hard shell carrying case and bracelet adjustment tool.

Watch Care: Store your mod away from magnets and moisture, clean with soft clean cloth. Have your watch serviced every few years to ensure that the watch continues to perform flawlessly.

Warranty & Service:

Expect peace of mind with a full 2-year warranty and satisfaction guarantee on all Mod watches. Our Miami-based team enforces strict standards for every piece shipped, ensuring reliable aftercare and customer support.

Why Choose Modtime Creations?

Step into the world of precision-built horology. Each Luxury Mod watch is thoroughly tested before being shipped free worldwide. Our watches are beloved by hobbyists and collectors across the globe—and real reviews back our reputation on every marketplace including Instagram, Facebook and Ebay.

Real Verified Reviews from Enthusiasts:

"Fantastic watch. Seller communicated along every step of the way. Very satisfied. Would definitely recommend and would buy again!!" – Kimberly (CA) ★★★★★

"A Beautiful Ladies Watch. The watch that my wife picked came out absolutely perfect. She is happy beyond measure." – Mark (US) ★★★★★

“The final result was fantastic—the design, indices, dial, and all the special touches came together perfectly.” – Kevin (US) ★★★★★

“The attention to detail shows the passion behind each piece.” – Valeria (UK) ★★★★★

Want More?

Returns are accepted within 30 days if you’re not fully satisfied. Modtime Creations is based in Miami, Florida. Contact us directly on Instagram @Modtimecreations or email modtimecustom@gmail.com for custom requests or questions.

Modtime Creations Handcrafted Luxury Watches. Crafted for quality, designed for you.

Choose Modtime Creations for a legacy of quality, peerless style, and personal service. Each timepiece is a handcrafted statement—designed with passion, built to last, and worn by enthusiasts worldwide.

We are the top online website for the highest quality Seiko Mods and Custom Luxury Watches!