Custom SeikoVintage Milsub GMT JB Mod - 44MM - Steel 904L
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Store Closing Sale: Limited quantities available. If you can add it to your cart, it's still in stock.
Discover the ultimate combination of precision engineering and timeless style with the Custom Seiko Vintage MilSub GMT JB Mod. Built with premium materials like 904L stainless steel, this 44mm timepiece is designed to withstand the rigors of everyday use while delivering a striking, modern look. Perfect for watch enthusiasts who appreciate quality craftsmanship and reliable performance.
With the NH34 GMT Automatic Movement, this watch not only tells time but also tracks a second time zone, making it ideal for travelers or those who need to keep track of multiple time zones. Its domed sapphire glass offers superior scratch resistance, and the 42-hour power reserve ensures that it will keep ticking even when you take a break.
Product Specifications:
| Feature | Details |
|---|---|
| Case Material | 904L Stainless Steel |
| Strap Material | 904L Stainless Steel |
| Case Diameter | 44mm |
| Movement | NH34 GMT Automatic |
| Lug-to-Lug | 47.5mm |
| Lug Width | 21mm |
| Glass Option | Sapphire Domed (17.5mm) |
| Power Reserve | 42 hours |
| Accuracy | +/- 6 seconds per day |
| Vibration Rate | 22,600 vph |
Whether you’re on a business trip, a vacation, or just enjoying your day-to-day routine, the Custom Vintage MilSub GMT JB Mod delivers the perfect balance of functionality, durability, and style.
Shipping Information
Shipping charges will be calculated and displayed at checkout. Delivery delays can occasionally occur due to factors beyond our control, such as location, weather conditions, or carrier delays.
We offer standard shipping for all orders with an estimated delivery time of 4-12 days after processing. Please note, this is an estimate, and actual delivery times may vary.
Warranty
We stand behind the quality of our watches with a comprehensive 180 days warranty. This warranty covers all manufacturing defects and ensures that your watch functions perfectly. If any issues arise, our dedicated customer service team will assist you with repairs or replacements, so you can trust in your investment. Enjoy the peace of mind that comes with our commitment to quality and customer satisfaction.
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Verified
I received my watch. It is great!
Cheng B
8 days ago
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With this addition, my collection finally feels complete and unmatched!
Brian B
9 days ago
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I just ordered 2, one for me and one for a friend. I asked Ellie from support a few questions via email, and she responded very quickly. Great service.
Mehmed D
2 hours ago
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I am very satisfied with my watch purchase. The design and quality have exceeded my expectations!
Mark G
6 hours ago
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Excellent communication from Ellie via email regarding the shipping. After the watch was dispatched, the tracking was great, and I could see how my watch was making its way to my door.
Richard D
1 day ago
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An amazing watch! Highly recommended for anyone looking for a first-class watch without the high price.
Pete C
3 days ago
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I just bought a watch from Zjaniwatches, and I love it! The watch looks fantastic and is really well made. This watch is exactly what I wanted, and I am very satisfied with it.
David L
7 days ago
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I bought two watches for variety, and I couldn't be happier. With these two timepieces, I can effortlessly vary my style.
Matthew P
8 days ago
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The quality of the watch is unbelievable! It far exceeds other modified watches that I have seen so far!!!
David G
9 days ago
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It arrived on time and feels just right. It has the perfect size for me, keeps time very accurately, and offers an amazing price-performance ratio compared to some watches in my collection.
Alvise M
12 days ago
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Lovely watch, the strap was replaced with a brown canvas strap, and that really highlighted the tropical luminescence of the indicators! It looks much more expensive now.
Thomas R
3 days ago
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Hello again, Tom here... I just want to say again that your timepieces are fantastic and wonderful... Great work, folks, I will definitely buy again!
Tom K
5 days ago
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An unmatched blend of exquisite craftsmanship and unique customization.
Jasper T
8 days ago
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I received the watch and was overwhelmed by its elegant design. What impressed me even more was the incredible price-performance ratio.
George S
9 days ago
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Waterproof and stylish!
Kervin S
8 days ago
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CLOSURE SALE
Unfortunately, we must share that our store is closing... 💔
After 12 incredible years, we have poured our passion into creating custom timepieces inspired by Seiko — each one crafted with care, precision, and a true love for horology.
Thanks to you, we built a community of watch enthusiasts who believed in our vision and supported us every step of the way. Your trust has meant the world to us.
As we prepare to close this chapter, we are offering final discounts of up to 45% to help our remaining pieces find their new homes.
Once these creations are gone, they will not return.
Thank you for being part of our journey. We are forever grateful.
With warm wishes,
Kevin, Kim & Family