KOULUOLANG
Custom SeikoMilsub Vintage GMT Mod
Custom SeikoMilsub Vintage GMT Mod
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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)
Shipping
Shipping
- When placing an order, please note that the estimated assembly process generally takes 1 week.
- Shipping time is between 4-8 business days depending on your continent. Watches are handmade and assembled from individual parts, which means that delivery times may not always be exact.
- Occasionally, the 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
Dive into history with our Custom Seiko MilSub Vintage GMT Mod Watch, a tasteful blend of renowned craftsmanship and the classic aesthetics of the iconic military submariner designs. Powered by the reliable NH34 Automatic Movement, this timepiece stands as a beacon of reliability and precision. It's crafted for aficionados who value both historical significance and modern watchmaking brilliance.
Features
- Movement: NH34 Automatic Caliber revered for its pinpoint accuracy and robust longevity, guarantees meticulous timekeeping and a substantial 42-hour power reserve.
- GMT Function: Allows it to display two or more time zones simultaneously. Originally designed for pilots, it typically involves an additional hand and sometimes a rotating bezel, enabling easy tracking of time in different geographical locations.
- Bezel: Aerospace-Grade Aluminum furnishes a blend of featherweight resilience and structural integrity, harmoniously accentuating the watch's aesthetic.
- Back Case: Unibody Solid Case Back provides unmatched endurance with a streamlined finish, elevating the watch's durability and aesthetic appeal.
- Lume: Advanced photoluminescent materials ensure that the hands and hour markers vividly glow in the dark.
- Size: 39.5 mm Diameter optimally dimensioned to accommodate a wide range of wrist sizes, ensuring a universally flattering fit.
- Lug Width: 20mm allows for a diverse range of strap options, providing customization and compatibility with high-quality materials.
- Lug-to-Lug Distance: 5mm ensures balanced proportionality on the wrist, contributing to both comfort and aesthetics.
- Sapphire Glass (13mm Thick): Known for scratch resistance and enduring clarity, ensuring lasting quality.
- Water Resistance (Sapphire Glass only): 200m Swimming Proof, making it a reliable companion for underwater adventures.
Perfect For
- Watch enthusiasts looking for a blend of vintage aesthetics and modern automatic movement.
- Daily wear or special occasions.
- A thoughtful gift for those who appreciate classic design and reliable watch mechanisms.
- Suitable for outdoor and water activities with its 200m swimming proof feature.



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GIFT BOX
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GIFT tool
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.