KOULUOLANG
Custom SeikoVintage Milsub JB Mod - 44MM
Custom SeikoVintage Milsub JB Mod - 44MM
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shipping to US Provide FedEx fast shipping for American customers, with packages received within 3-5 days (order preparation time 2-3 days)
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When placing your order, please note that the assembly process typically takes 2-3 days (excluding Saturdays and Sundays). Delivery time is 4-8 business days, depending on your region. Watches are handmade and assembled from individual parts, so delivery times may not always be accurate. Occasionally, a watch may arrive earlier or later than expected.
Explanation on purchasing accessories
Explanation on purchasing accessories
When purchasing watch accessories, the above three types of boxes and tools are not included as gifts,We only send accessories by ordinary express,Watch accessories are not returnable or exchangeable.
Discover the ultimate combination of precision engineering and timeless style with the Custom Seiko Vintage MilSub JB Mod. Built with premium materials like 316L 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 | 316L Stainless Steel |
Strap Material | 316L Stainless Steel |
Case Diameter | 44mm |
Movement | NH35A 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.
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Free strap adjustment tool (the tool varies depending on the part of the watch bracelet)

Find out more about your designer
Each of my creations is the fruit of many hours of meticulous work, combining tradition and innovation to offer unique and exceptional watches to my customers. My aim is to continue pushing back the boundaries of watchmaking and to share my passion for this art with the whole world.

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