Source – https://www.seikowatches.com/us-en/news/2025/importantnotice/20251006
Important Notice from Seiko – Not legal advice.
In a bold move that’s encouraged discussion among the watch modding community, Seiko Watch Corporation released an “Important Notice regarding Counterfeit and Modified SEIKO watches” on October 6, 2025. The statement blasts online sellers peddling fakes, scams, and—perhaps most controversially—”MOD watches” assembled with “fake or unauthorized components” masquerading as aftermarket parts. Seiko makes it crystal clear: they do not endorse any modifications, and these franken-watches come with zero warranty from Seiko, plus potential health risks from unregulated materials. (Stay tuned for an article about drop shipping fake Seiko Mods from China).
For the uninitiated, Seiko modding has exploded in popularity. Hobbyists snag affordable donor watches (like the legendary SKX or other 7S26 or 4R35-equipped Seiko 5s, swap in custom dials, hands, bezels, and cases, and craft personalized timepieces that punch way above their weight.
What started as a niche hobby—swapping a bezel or dial on a genuine Seiko 5 or SKX—has quietly morphed into something Seiko never signed up for. Thanks to an explosion of dirt-cheap aftermarket parts flooding in from the Far East (think $3 ceramic bezel inserts, $8 sapphire crystals, $12 NH35 clones), the barrier to entry collapsed. Suddenly, the average modder isn’t just upgrading their watch—they’re assembling dozens from scratch, slapping on a Seiko-logo dial that replicates a Rolex, Patek or other brand, and listing them as “custom Seiko builds” on socials. These aren’t mods anymore; they’re Seiko-branded frankenwatches built with zero OEM parts beyond maybe a a movement. The line between “hobbyist upgrade” and “counterfeit-adjacent commerce” has vanished—and Seiko’s notice is the corporate alarm finally going off. For sellers, this isn’t a warning; it’s a declaration that the party’s over unless you ditch the logos and play by new rules.
Sites like ours at SeikoModder.com have become your go-to for guides, parts lists, and pro tips. But now, with Seiko drawing a line in the sand, what does this mean for you—the weekend warrior building for fun, gifting to loved ones, or even dipping a toe into selling?
The Good News: Hobbyists Building for Themselves Are (Mostly) Safe
Breathe easy, modders. This notice is laser-focused on commercial sellers flooding platforms like eBay, etsy and Facebook Marketplace as well as TikTok and instagram with low-quality knockoffs. Think “Seiko Rolex” hybrids or bezel-swapped divers sold as “upgraded originals” without disclosure.
Personal modding? Not on Seiko’s radar.
- Why? You’re not diluting their brand or IP. Swapping a bezel on your own SKX or 5KX for personal enjoyment is like hot-rodding your car in the garage—no one’s getting hurt, and Seiko isn’t kicking down doors.
- Community vibe: Forums like Watchuseek and Reddit’s r/SeikoMods are shrugging it off. “If you’re not selling fakes, chill,” sums up the consensus. One user nailed it: Mods fix Seiko’s own QC quirks (misaligned chapters, anyone?).
Pro Tip from SeikoModder: Keep movements genuine, source reputable aftermarket (e.g., Namoki or your chosen Ali supplier), and avoid slapping fake Seiko logos on your watches – Seiko Mods sold with OEM Seiko Dials are fine but the dials cost a lot more than the fake dials and profit is everything!
Gifting Mods to Friends and Family: Heartfelt and Hassle-Free
Planning a custom diver for Dad’s birthday or a dressy Presage homage for your partner’s wrist? Go for it—gifting is 100% in the clear.
- No commercial intent = No problem. Seiko’s beef is with profiteers, not one-off gifts. Your buddy wears it proudly, knows it’s a mod, and everyone’s happy.
- Make it special: Use our Ultimate Beginner’s Guide to match lume, ensure water resistance, and add engraved casebacks. It’s a personalized heirloom, not a marketplace listing.
Just disclose: “Hey, this is a custom Seiko mod I built—pure passion project!” Avoids any warranty mix-ups if they ever need it serviced, the average Modder could pop a new movement in and get it back to its former glory.
The Long-Term Storm Clouds for Mod Sellers
Here’s where it gets spicy. Sellers, brace yourselves—Seiko’s vowing to “eliminate illegal sites and counterfeit or modified products” to shield their IP.
| Impact on Sellers | Short-Term | Long-Term |
|---|---|---|
| Platform Takedowns | Potential strikes on eBay & socials for “Seiko MOD” listings. | Stricter policies; “custom build” only, no trademarks or your own “Microbrand”. |
| Legal Heat | C&D letters to big ops (China factories). | Lawsuits like Rolex’s—fines, shutdowns for repeat offenders. |
| Market Shift | Price wars with fakes end; quality wins. | Boom in no-logo, “inspired” designs. Private sales rise. |
| Opportunities | Niche for disclosed, premium mods. | OEM Dial are currently available to the public. How long may this continue? |
Future-Proof Your Modding Game
- Source Smart: Real Seiko donors + trusted supply of OEM dials.
- Disclose Always: “Modded—not Seiko stock.”
- Test Rigorous: Pressure test, regulate and hopefully you’ll beat factory QC..
Bottom line: Seiko’s notice cleans house on scams, protecting real modders like you. Personal builds and gifts? Untouched. Sellers? Evolve or evaporate. Here at SeikoModder.com, we’re doubling down on guides for the golden age of ethical modding. Perhaps we will see the Birth of many cottage industry Micro brands or sellers switching to OEM dials while these are still available to the general public? Hopefully Seiko do not wish to follow Swiss brands restricting their parts supply!
Questions? Drop ’em in the comments. Let’s keep the lume glowing!
Source – https://www.seikowatches.com/us-en/news/2025/importantnotice/20251006
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