Skip to product information
GMT Seiko Mod - Batgirl

GMT Seiko Mod - Batgirl

£200.00
Taxes included. Shipping calculated at checkout.

The Seiko “Batgirl” GMT Mod takes its name from a legendary design, reinvented with custom parts, modern craftsmanship, and everyday performance. Featuring a vibrant blue and black ceramic GMT bezel, sunburst black dial, and automatic dual-time movement, this custom timepiece is bold yet wearable, day or night.

Powered by the Seiko NH34 GMT movement and assembled by hand in London, it’s made for travelers, collectors, and those who know exactly what they’re wearing.

 Specifications

  • Movement: Seiko NH34 Automatic GMT (hacking & hand-winding)
  • Case Size: 40mm GMT-Style Case
  • Case Finish: Brushed & Polished Stainless Steel
  • Dial: Sunburst Black with Applied Markers + GMT Hand
  • Bezel: Bi-Color Blue & Black Ceramic Insert (24-Hour GMT Scale)
  • Crystal: Flat Sapphire with Anti-Reflective Coating
  • Bracelet: Stainless Steel Oyster-Style
  • Water Resistance: 100M (tested for everyday wear)

Build Time & Shipping

 

 

 

 

Every Seiko Batgirl GMT is made to order. Please allow:

 

  • 2–3 weeks for precision assembly and testing
  • Up to 30 days total including quality control and secure tracked shipping
  • You’ll receive build updates, photos, and tracking info 📦

What’s Included

 

 

 

 

  • Dialsmith London Premium Watch Box
  • 1-Year Warranty Card
  • Bracelet Adjustment Tool
  • Custom-Built Watch

Why Buy From Dialsmith London?

 

 

 

 

This isn’t off-the-shelf. Each timepiece is custom-built using premium mod parts, trusted Seiko movements, and the same attention to detail you’d expect from a luxury piece — without the markup.

 

Made with care

Great value

Elegant design

Quality materials

Details

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

Shipping & Returns

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.

Play video