A Seiko GMT watch with a silver stainless steel Oyster bracelet, a black dial, and a red and black GMT bezel, shown against a plain white background.

GMT Mod | Coke

$499.00 $299.00

Add a bold statement to your collection with this hand‑built GMT mod, showcasing a deep black dial, a vivid red‑and‑black ceramic “Coke” bezel, and premium materials throughout. Crafted for enthusiasts who value precision and design, this watch blends modern engineering with timeless style.

At its core is the Swiss Ronda 515‑24H GMT movement, delivering dependable accuracy and an independent 24‑hour hand for effortless tracking of a second time zone, ideal for frequent travelers and collectors.

The 316L stainless‑steel case, flat sapphire crystal, and ceramic bezel insert ensure lasting durability and scratch resistance. Its balanced proportions and classic silhouette make this GMT mod a versatile standout in any rotation.

Perfect for Seiko mod fans, GMT collectors, and anyone seeking a high‑quality, Coke‑style custom watch with Swiss precision and distinctive character.

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.