GMT Mod - Zombie Edition
GMT Mod - Zombie Edition
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TrustScore 5.0 | 140+ reviews
GMT Seiko Mod – Zombie Edition | Two-Tone Gold & Silver (40mm) - NO GMT HAND (VISIT CONFIGURATOR +£15)
the Zombie GMT Seiko Mod brings striking personality to the classic GMT format. Featuring a bold two-tone case in gold and silver 904L stainless steel, this piece is powered by a reliable automatic movement. The bezel rotates with 120-click precision, allowing for quick second-time zone adjustments. Built for presence and precision, the Zombie GMT is hand-assembled and water-resistant to 10 ATM — a true standout for collectors and everyday adventurers alike.
Specifications:
- Case Diameter: 40mm (excluding crown)
- Movement: Automatic movement
- Case Thickness: 12mm
- Crystal: Sapphire with anti-scratch and anti-reflective treatment
- Lume: Luminova (hands and markers)
- Case Material: Two-tone 904L stainless steel (gold & silver finish)
- Crown: Screw-down
- Bezel: One Directional 120-click rotating bezel
- Bracelet: 904L stainless steel two-tone with secure clasp
- Lug Width: 20mm
- Wrist Size: Adjustable from 14.5cm to 22cm
- Case Back Options: Crystal (transparent) or solid steel
- Water Resistance: 10 ATM (suitable for swimming/diving)
- GMT Function: Dual time via rotating bezel (no 24-hour hand)
A fearless design wrapped in premium materials — the Zombie GMT is for those who refuse to blend in.
Build Time
Build Time
Please allow up to 12 business days for our experts to professionally assemble your watch. In some cases assembly times may extend up to 21 working days due to high demand or holiday closure. For an accurate timeline, please get in touch.
Shipping Time
Shipping Time
Depending on your chosen delivery method, domestic orders can be shipped using an express next-day delivery service once assembly is complete. For international orders, please refer to our shipping policy or contact us for further information.
Quality Guarantee
Quality Guarantee
We take great pride in our craftsmanship and guarantee that our watches are made with the highest quality standards. Our 5 star reviews speak for themselves!

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Quality Guarantee
1K+ Happy Clients
We have exceeded over 1,000 of our clients' expectations by delivering a mod like no other. Fast, reliable and exceptionally crafted by our dedicated watchmakers.
Quickest Build Time
With an estimated build time of just 3 to 7 days, we proudly offer some of the fastest turnaround times in the industry—certain models may even arrive at your doorstep as soon as the next day.
Watch Box and Tool Included
Our watches come in a watch box equipped with a tool so that you can accordingly adjust your watch strap.
Best Price Guarantee
With the high quality of our watches and the calibre of aftermarket components we use, we are unquestionably the most competitive Seiko mod company, offering exceptional affordability.
FREQUENTLY ASKED QUESTIONS
What is a Seiko Mod?
A Seiko Mod is a special watch hand-assembled from a prestigious Seiko automatic or hybrid movement, combined with high-quality aftermarket parts, usually made of 904L stainless steel.
Have you ever dreamed of acquiring your ideal timepiece?
The purpose of Seiko mods is to bring the designs of luxury watches to a wider audience without resorting to inflated prices or counterfeit products, and by always using the best materials, such as sapphire crystal or ceramic bezels.
How can I adjust the strap size?
We include (for free) a complimentary precision driver to help you adjust the strap properly.
Can I design my own watch?
Absolutely. You can select your case, dial, hands, bracelet and more. Over 100+ combinations available. No two watches are the same.
If you want to customise your watch, please visit our live configurator by clicking here.
absolutely First Class service & especially the Zombie Watch ,i’ve taken two links out ,adjusted the jubilee bracelet on the glide lock,absolutely fabulous,would definitely buy again.👍







