THE GMT
The GMT Collection showcases Seiko mods inspired by the iconic GMT watch, designed for those who need to track multiple time zones. Originally created for travelers and pilots, GMT watches feature an additional hand and a 24-hour bezel, allowing you to keep track of two time zones simultaneously. Our custom GMT mods combine this practical function with Seiko’s renowned reliability and stylish design, making them perfect for both adventurers and everyday wear.
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GMT MASTER II- batman
1.5 / 5.0
(2) 2 total reviews
Regular price From €234,99 EURRegular priceUnit price / per€289,99 EURSale price From €234,99 EURSale -
SaleGMT MASTER II- pepsi
Regular price From €224,99 EURRegular priceUnit price / per€279,99 EURSale price From €224,99 EURSale -
SaleGMT MASTER- batgirl
Regular price From €224,99 EURRegular priceUnit price / per€279,99 EURSale price From €224,99 EURSale -
SaleGMT- Bruce Wayne
Regular price From €224,99 EURRegular priceUnit price / per€279,99 EURSale price From €224,99 EURSale -
SaleGMT- coke/two tone
Regular price From €224,99 EURRegular priceUnit price / per€279,99 EURSale price From €224,99 EURSale -
SaleGMT- green
Regular price From €234,99 EURRegular priceUnit price / per€289,99 EURSale price From €234,99 EURSale -
SaleGMT- moonblue
Regular price From €234,99 EURRegular priceUnit price / per€289,99 EURSale price From €234,99 EURSale -
SaleGMT- purple
Regular price From €234,99 EURRegular priceUnit price / per€289,99 EURSale price From €234,99 EURSale -
SaleGMT- rootbeer
Regular price From €234,99 EURRegular priceUnit price / per€289,99 EURSale price From €234,99 EURSale -
SaleGMT- two tone
Regular price From €234,99 EURRegular priceUnit price / per€289,99 EURSale price From €234,99 EURSale
Frequently asked questions
Can I create my own custom watch?
Yes! We offer a variety of parts and styles that allow you to build your own custom Seiko mod. You can choose from different dials, bezels, hands, and more to design a watch that suits your style. See our build your own watch page
How long does it take to build and ship a seiko mod?
As soon as you order your watch, the parts are ordered. The shipping of these parts take about 1/2 weeks. After that the watch is shipped and the time it takes to ship is depended on where you live (not more than a week).So the full process takes about 3 weeks.
do your watches come with a warranty?
Yes, all our custom mods come with a 1-year warranty covering the movement and any manufacturing defects. Please note that the warranty does not cover damage caused by misuse or accidental breakage.
What’s the difference between your collections?
Each collection is inspired by iconic watch designs, with our Datejust mods offering classic elegance, GMT mods providing dual time zone functionality, and Daytona mods emphasizing sporty chronographs. Browse each collection for more details.


