ModWatch
GMT Master | Black
GMT Master | Black
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GMT Master Custom Mod | Black | NH34A Automatic | Sapphire
Upgrade your collection with this custom-built GMT mod watch, featuring a bold black dial, a striking black ceramic bezel, and premium components throughout. Designed for enthusiasts who appreciate both style and functionality, this timepiece delivers exceptional performance with a modern, iconic look.
Powered by the Japanese‑made TMI NH34A automatic GMT movement, this watch offers reliable timekeeping and an independently adjustable GMT hand for tracking a second time zone—perfect for travelers and collectors alike.
The 316L stainless‑steel case, flat sapphire crystal, and ceramic bezel insert provide durability and scratch resistance, while the classic design ensures this GMT mod remains a standout piece in any watch rotation.
Ideal for Seiko mod fans, GMT lovers, and anyone seeking a premium style GMT custom watch.
Specifications
Bezel
- Insert: Ceramic
- Color: Black
Dial & Hands
- Dial Color: Black
- Hands: Silver Mercedes hands with Green GMT hand
Movement
-
Japanese TMI NH34A Automatic GMT
Crystal
-
Flat Sapphire Crystal with magnifying cyclops
Bracelet/Strap Options
- Stainless steel Oyster bracelet
- Stainless steel Jubilee bracelet
- Rubber strap with clasp
Dimensions
Dimensions
- Diameter: 40mm (excluding crown)
- lug to lug: 48mm
- Thickness: 14mm
- Lug width: 20mm
Movement
Movement
- Movement: NH34A GMT by TMI (a Seiko Subsidiary)
- Origin: Japan
- Type: Automatic Movement
- Jewels: 24
Materials
Materials
Case: Premium 306L Stainless Steel
Crown: Screw-Down Crown
Case Back: Stainless Steel
Glass: Scratch resistant Sapphire Crystal
Bezel: High-quality ceramic
Strap: 904L Stainless Steel Bracelet with micro adjust
Water Resistance
Water Resistance
Rated at 5ATM or 50M, which means they’re safe for getting wet during activities like hand washing or splashes of water.
Intense swimming, diving or hot water exposure could impact the seals, therefore it is not recommended.
Shipping
Shipping
- Shipping is free within the United States
- All packages are fully tracked for your convenience
- Expedited shipping is available at additional cost
Money Back Guarantee
Money Back Guarantee
Quality watches backed by a money-back guarantee.
No Brand Affiliation
No Brand Affiliation
Mod Watch Company has NO affiliation or connection with Seiko or endorsed by, or connected to Seiko Company or any of its subsidiaries.
Our timepieces are custom creations featuring movements from TMI (renowned for its accuracy and dependability and used in millions of watches worldwide)
Our timepieces are independent products and are not in any way associated with Seiko.
Frequently Asked Questions
Why buy a Mod Watch Company watch?
We take pride in crafting timepieces of the highest quality.
Our expert watchmakers and high-quality materials position us as a rival to luxury Swiss watch brands. Unlike competitors that rely on dropshipping from abroad, we manufacture and dispatch from our Florida watch studio.
This enables us to perform the quality control that others may overlook. We inspect all components before and after the assembly of your customized watch.
How long does it take to build the watch?
If your watch is labeled "In Stock" above, we typically ship it out in 2-3 business days. If the watch you have chosen is marked as "Back Ordered" above, it will enter a queue for our skilled watchmakers to meticulously handcraft. Please allow 2 to 3 weeks for this process.
What is the cost of shipping and how long will it take?
We offer complimentary shipping on all of our timepieces. This process typically requires 3 to 8 business days. Expedited delivery choices are available for a additional charge. Please be aware that these are estimates and are contingent on the courier.
What if I'm not happy with my watch, can I return it?
If you're not completely satisfied with your new timepiece, we have a 14-day satisfaction guarantee. You can confidently return it within 14 days of delivery.
Does my new watch come with a warranty?
Feel secure with our 12-month Warranty starting from the purchase date. More details available here!
Secure Payments
Brand Independence
Mod Watch Company has NO affiliation or connection with Seiko or endorsed by, or connected to Seiko Company or any of its subsidiaries.
Our timepieces are custom creations featuring movements from TMI a subsidiary of Seiko (renowned for its accuracy and dependability and used in millions of watches worldwide)
Our timepieces are independent products and are not in any way associated with Seiko.