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Seiko 5 Japan Seiko 5 Sports “Field Series” HUF - Ltd Ed 7000pcs Ref. SBSA323
Seiko 5 Japan

Seiko 5 Sports “Field Series” HUF - Ltd Ed 7000pcs Ref. SBSA323

$580
Sold / unavailable · gnomonwatches.com
Since its inception in 1963 with the "Sportsmatic 5," the Seiko 5 collection has stood as a titan of value, bringing Japanese mechanical innovation—including the country's first day-date complication—to a global audience. For over half a century, it has rivalled Swiss counterparts by offering robust engineering at an accessible price point, a legacy further cemented by its 2019 revitalization and the introduction of the modern "5" logo. Within this storied lineage, the SNK800 series emerged as a definitive "bang-for-buck" cult favourite, cherished by enthusiasts for housing a genuine mechanical soul within a rugged, field-ready silhouette that defined the entry-level automatic experience. Seiko 5 Sports “Field Series” HUF - Ltd Ed 7000pcs Ref. SBSA323 Seeking to evolve this heritage, the new SBSA323 collaboration with HUF reimagines the iconic "Time Sonar" of the 1970s through a contemporary, street-inspired lens. Founded in 2002 by professional skateboarder Keith Hufnagel, HUF has grown from a boutique shop into a globally respected lifestyle label defined by clean aesthetics and a rebellious spirit. By merging Seiko's watchmaking DNA with HUF's signature streetwear vision, this collaboration offers a refined take on the mechanical field watch where heritage and street culture move in perfect synchronicity. It is more than a refresh; it is the birth of a new classic that proves creative expression and robust engineering are one and the same. Seiko hit the nail on the head with this new release with a perfectly-sized tool watch that finds a balance between traditional sizes and modern look. The attractive  dimensions of the SBSA323 will definitely satisfy most wrist sizes, measuring in just under 40mm with a case diameter of 39.4mm, a lug to lug distance of 48.1mm and a case thickness of 11.6mm. Constructed out of 316L stainless steel, its case features a mix of satin brushed finishes at the top of the lugs and its bezel, contrasted with a high polish at the side of the case, creating a fitting rugged appearance for this style of watches. Seiko's satin brush and high polished finishing with HUF icon Despite having a push-pull crown at the 3 o'clock position, the SBSA323 achieves an astonishing water resistance rating of 100m (10 ATM), allowing for a worry-free experience with ample protection against water splashes. Accompanying this impressive tool watch, its supplied Seiko 20mm stainless steel bracelet matches its utilitarian look marvelously. Protected by a signature Hardlex crystal, the dial reveals a captivating, semi-transparent finish in vibrant "HUF Green"—a hue that serves as the heartbeat of this collaboration. While the original archival models favoured classic tones, this exclusive colourway is a modern revelation, a unique expression designed to symbolize a philosophy of creative freedom. Beneath this translucent veil, the mechanical soul of the watch is subtly glimpsed, offering a sense of depth that invites closer inspection. Unique HUF case back showcases Seiko's 4R36 automatic caliber The face is grounded by applied markers and heritage syringe hands—a respectful nod to the original Time Sonar—all filled with Lumibrite for effortless legibility. A sharp, black minute rehaut circles the dial, framing a striking landscape where vibrant orange accents on the seconds hand and triangular 12 o'clock marker ignite a sharp, energetic contrast. With a practical day-date display at 3 and the "HUF" logo resting quietly at 6, the design achieves a perfect synchronicity between Seiko's functional heritage and the bold, rebellious spirit of street culture. The SBSA323 runs on the ever reliable Seiko's in-house caliber 4R36 automatic movement. This long awaited upgrade features hacking and hand-winding capabilities, which were lacking in the previous generation caliber 7S26 movement which were lacking in these aspects. The 24 jewel movement has a beat rate of 21,600 beats per hour with a power reserve of ab
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