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| The new Seiko 5 SRPM09 HUF edition also comes with an exhibition case back. |
Just a few weeks after its official announcement, the highly anticipated Seiko 5 Sports SRPM09 HUF Limited Edition is finally out in the wild. While early renders gave us a glimpse of what to expect, new hands-on footage has surfaced online, offering collectors and streetwear enthusiasts their first real-world look at the watch’s most striking feature: the translucent "HUF Green" dial.
Thanks to a new video from the YouTube channel @SeikoLeaks, we can now see exactly how this unique timepiece interacts with light—and the results are even more compelling than the stock photos suggested.
A Dial That Breathes: The "Time Sonar" Effect
The centerpiece of the SRPM09 is undoubtedly its acetate dial. Inspired by the vintage 1970s "Time Sonar" aesthetic, this lime-green dial possesses a level of transparency that is rarely seen in Seiko’s entry-level 5 Sports lineup.
In the hands-on footage, the dial’s translucent quality is immediately apparent. As light hits the surface, it reveals the mechanical architecture beneath, specifically the day and date wheels. This creates a layered, almost three-dimensional effect that makes the watch face feel deep and industrial rather than flat.
Unlike the sanitized perfection of promotional renders, the real-world shots highlight the dial’s organic character. The black horizontal "Automatic" bar and the custom "huf" logo at the 6 o’clock position appear to float subtly above the green disk, adding to that vintage technical vibe.
Watch the full hands-on clip here: Seiko 5 Sports SRPM09 Short
Case, Comfort, and That Orange Seconds Hand
Housed in a 39.4mm stainless-steel case, the SRPM09 adopts the classic brushed finishing typical of Seiko’s "Field" series. It is presented on a three-link oyster-style bracelet that provides a robust yet versatile look.
While the footage focuses primarily on macro details, it gives us a decent reference point for the dimensions. With a lug-to-lug distance of 48.1mm, the watch appears to wear comfortably on an average-sized wrist, though more on-wrist shots would have been welcome to truly gauge the fit.
Visually, the orange-tipped seconds hand steals the show. Acting as the primary high-visibility element, it provides a sharp, energetic contrast against the cool, translucent green backdrop. It is a small detail, but it ties the entire "HUF" color scheme together perfectly.
Under the Hood and Availability
Mechanically, the watch is powered by the workhorse Caliber 4R36. This automatic movement is a favorite among Seiko enthusiasts for its reliability and functionality, offering a 41-hour power reserve and hacking capability (21,600 vph). While the video doesn’t show it, the model features a green-tinted exhibition case back engraved with a custom San Francisco graphic, nodding to HUF’s roots.
If you are looking to add this piece to your collection, you will need to act fast. The Seiko 5 Sports SRPM09 is a limited edition of 7,000 pieces worldwide. A specific variant, reference SBSA323, sees 1,000 units allocated exclusively to Japan.
Priced at approximately $450 (EUR 410), the watch is slated for a wider release in March 2026.
The Verdict
The Seiko 5 Sports SRPM09 HUF is a fantastic example of how a brand can push the boundaries of a familiar platform. By introducing a vintage-inspired translucent dial, Seiko has created a watch that feels fresh, playful, and genuinely premium without leaving the accessible price bracket.
For those who appreciate the blend of streetwear culture and horology, this is one limited edition worth hunting down.
Looking for other great Seiko options? Check out the classic diver style of the Seiko SSK001 on Amazon.
