GMT Master | Black

$559.00 $379.00

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.

Hand‑assembled in the U.S. with meticulous care
Ready to Ship models dispatch within 3 business days
Standard build time: 3–12 business days
Delivery: 2–5 business days via selected carrier
Special orders/out‑of‑stock pieces may take up to 12 business days; you’ll be notified if additional time is required. We will work quickly to ship your order as soon as possible.
Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.

All our quality watches backed by a money-back guarantee.

Sunshine Watch Co. 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.