
Certificate of
Authenticity
Authenticity


0
View authenticity certificate
ModJust Black (Original Seiko Movement)
ModJust Black (Original Seiko Movement)
DELIVERY AND AUTHENTICATION
Includes Authentication Certificate
by Checkcheck global standards
Come see it in person


Culture Note™
The 'Seikojust' finds its genesis within the vibrant 'Seiko Mod' community, a realm where watch enthusiasts transform and personalize Seiko timepieces. This movement emerged as a response to the demand for high-quality, customized watches at a more accessible price point, diverging from the traditional luxury watch market. Its conceptual roots are firmly planted in the desire for individuality and horological craftsmanship, reflecting a democratization of luxury.
The primary function of the 'Seikojust' is, of course, to tell time, but it extends far beyond mere practicality. The inclusion of complications, such as a date display, adds further functionality, elevating its status as a versatile daily wear. With water resistance of up to 3 ATM (30 meters), it provides a degree of protection against the elements, making it suitable for everyday activities. The approximately 41 to 45 hours of power reserve ensures that it remains operational for extended periods.
The 'Seikojust' has gained prominence within the watch enthusiast community as a symbol of personalized luxury. The trend has influenced countless watch aficionados to explore the world of horology and seek out alternative watchmaking experiences. The configurator has become a significant player in the microbrand watchmaking scene, with many enthusiasts and small businesses offering these types of watches. The 'Seikojust' has become a cultural touchstone.
The 'Seikojust' typically features a robust automatic movement, most commonly the Seiko NH35 or NH34, ensuring reliable and precise timekeeping. The case is usually crafted from stainless steel, often 316L, although some variations employ 904L, demonstrating a commitment to durability and aesthetic appeal. The watch is completed with a sapphire crystal, known for its scratch resistance and anti-reflective coating, and a stainless steel bracelet, frequently in the classic Jubilee style, offering both comfort and sophistication.
Most asked questions
How we always
Guarantee the best prices?
Luxury marketplace
In luxury marketplaces, prices depend on demand — less popular items sell below retail.
Competition between sellers
Our 5,000+ verified sellers compete with each other, giving you the lowest prices.
Price comparison
We show you price comparisons across sellers so you always get better deals.
Helping sellers, helping you
We help sellers buy smarter inventory, so they can offer you better prices.
Loading…