{"product_id":"seiko-5-sports-huf-sbsa323-limited-edition","title":"Seiko 5 Sports Field Series x HUF SBSA323 Limited Edition Automatic Watch","description":"\u003cp\u003eThe \u003cstrong data-start=\"187\" data-end=\"266\"\u003eSeiko 5 Sports Field Series x \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eHUF\u003c\/span\u003e\u003c\/span\u003e SBSA323\u003c\/strong\u003e is the third collaboration model between Seiko 5 Sports and the U.S. streetwear and lifestyle brand HUF.\u003c\/p\u003e\n\u003cp data-start=\"373\" data-end=\"616\"\u003eBased on the current Field Series case design, this limited edition model features a skeleton dial customized with design references from Seiko’s 1970s archives. The dial incorporates HUF Green accents and the HUF logo positioned at 6 o’clock.\u003c\/p\u003e\n\u003cp data-start=\"618\" data-end=\"796\"\u003eThe caseback showcases HUF’s signature San Francisco city pattern graphic and includes laser-marked “Limited Edition” text with an individual serial number (0001\/7000–7000\/7000).\u003c\/p\u003e\n\u003cp data-start=\"798\" data-end=\"866\"\u003eLimited to 7,000 pieces worldwide (1,000 for Japan domestic market).\u003c\/p\u003e\n\u003cp data-start=\"868\" data-end=\"907\"\u003eRelease Date: March 6, 2026 (Scheduled)\u003c\/p\u003e\n\u003chr data-start=\"909\" data-end=\"912\"\u003e\n\u003ch2 data-start=\"914\" data-end=\"929\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"931\" data-end=\"1256\"\u003e\n\u003cli data-start=\"931\" data-end=\"974\"\u003e\n\u003cp data-start=\"933\" data-end=\"974\"\u003eLimited Edition: 7,000 pieces worldwide\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"975\" data-end=\"1020\"\u003e\n\u003cp data-start=\"977\" data-end=\"1020\"\u003eCollaboration Model: Seiko 5 Sports × HUF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1021\" data-end=\"1061\"\u003e\n\u003cp data-start=\"1023\" data-end=\"1061\"\u003eSkeleton dial with HUF Green accents\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1062\" data-end=\"1100\"\u003e\n\u003cp data-start=\"1064\" data-end=\"1100\"\u003eHUF logo at 6 o’clock and on crown\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1101\" data-end=\"1140\"\u003e\n\u003cp data-start=\"1103\" data-end=\"1140\"\u003eSan Francisco city graphic caseback\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1141\" data-end=\"1179\"\u003e\n\u003cp data-start=\"1143\" data-end=\"1179\"\u003eIndividual serial number engraving\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1180\" data-end=\"1216\"\u003e\n\u003cp data-start=\"1182\" data-end=\"1216\"\u003eSpecial edition presentation box\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1217\" data-end=\"1256\"\u003e\n\u003cp data-start=\"1219\" data-end=\"1256\"\u003eIncludes limited design watch cloth\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1258\" data-end=\"1261\"\u003e\n\u003ch2 data-start=\"1263\" data-end=\"1289\"\u003eMovement Specifications\u003c\/h2\u003e\n\u003cul data-start=\"1291\" data-end=\"1449\"\u003e\n\u003cli data-start=\"1291\" data-end=\"1329\"\u003e\n\u003cp data-start=\"1293\" data-end=\"1329\"\u003eMovement: Automatic (Caliber 4R36)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1330\" data-end=\"1359\"\u003e\n\u003cp data-start=\"1332\" data-end=\"1359\"\u003eManual winding capability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1360\" data-end=\"1399\"\u003e\n\u003cp data-start=\"1362\" data-end=\"1399\"\u003eAccuracy: +45 \/ -35 seconds per day\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1400\" data-end=\"1449\"\u003e\n\u003cp data-start=\"1402\" data-end=\"1449\"\u003ePower reserve: Approx. 41 hours (fully wound)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1451\" data-end=\"1454\"\u003e\n\u003ch2 data-start=\"1456\" data-end=\"1475\"\u003eCase \u0026amp; Materials\u003c\/h2\u003e\n\u003cul data-start=\"1477\" data-end=\"1726\"\u003e\n\u003cli data-start=\"1477\" data-end=\"1511\"\u003e\n\u003cp data-start=\"1479\" data-end=\"1511\"\u003eCase Material: Stainless Steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1512\" data-end=\"1533\"\u003e\n\u003cp data-start=\"1514\" data-end=\"1533\"\u003eCaseback: Hardlex\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1534\" data-end=\"1554\"\u003e\n\u003cp data-start=\"1536\" data-end=\"1554\"\u003eCrystal: Hardlex\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1555\" data-end=\"1584\"\u003e\n\u003cp data-start=\"1557\" data-end=\"1584\"\u003eBracelet: Stainless Steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1585\" data-end=\"1621\"\u003e\n\u003cp data-start=\"1587\" data-end=\"1621\"\u003eClasp: One-push three-fold clasp\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1622\" data-end=\"1650\"\u003e\n\u003cp data-start=\"1624\" data-end=\"1650\"\u003eMagnetic Resistance: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1651\" data-end=\"1692\"\u003e\n\u003cp data-start=\"1653\" data-end=\"1692\"\u003eWater Resistance: 10 bar (100 meters)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1693\" data-end=\"1726\"\u003e\n\u003cp data-start=\"1695\" data-end=\"1726\"\u003eCountry of Manufacture: Japan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1728\" data-end=\"1731\"\u003e\n\u003ch1 data-start=\"1733\" data-end=\"1748\"\u003e📏 Dimensions\u003c\/h1\u003e\n\u003ch2 data-start=\"1750\" data-end=\"1772\"\u003eSize in Millimeters\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1774\" data-end=\"1946\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1774\" data-end=\"1796\"\u003e\n\u003ctr data-start=\"1774\" data-end=\"1796\"\u003e\n\u003cth data-start=\"1774\" data-end=\"1788\" data-col-size=\"sm\" class=\"\"\u003eMeasurement\u003c\/th\u003e\n\u003cth data-start=\"1788\" data-end=\"1796\" data-col-size=\"sm\" class=\"\"\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1819\" data-end=\"1946\"\u003e\n\u003ctr data-start=\"1819\" data-end=\"1844\"\u003e\n\u003ctd data-start=\"1819\" data-end=\"1833\" data-col-size=\"sm\"\u003eCase Length\u003c\/td\u003e\n\u003ctd data-start=\"1833\" data-end=\"1844\" data-col-size=\"sm\"\u003e48.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1845\" data-end=\"1872\"\u003e\n\u003ctd data-start=\"1845\" data-end=\"1861\" data-col-size=\"sm\"\u003eCase Diameter\u003c\/td\u003e\n\u003ctd data-start=\"1861\" data-end=\"1872\" data-col-size=\"sm\"\u003e39.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1873\" data-end=\"1902\"\u003e\n\u003ctd data-start=\"1873\" data-end=\"1890\" data-col-size=\"sm\"\u003eCase Thickness\u003c\/td\u003e\n\u003ctd data-start=\"1890\" data-end=\"1902\" data-col-size=\"sm\"\u003e11.62 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1903\" data-end=\"1927\"\u003e\n\u003ctd data-start=\"1903\" data-end=\"1916\" data-col-size=\"sm\"\u003eBand Width\u003c\/td\u003e\n\u003ctd data-start=\"1916\" data-end=\"1927\" data-col-size=\"sm\"\u003e20.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1928\" data-end=\"1946\"\u003e\n\u003ctd data-start=\"1928\" data-end=\"1937\" data-col-size=\"sm\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-start=\"1937\" data-end=\"1946\" data-col-size=\"sm\"\u003e146 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1948\" data-end=\"1951\"\u003e\n\u003ch2 data-start=\"1953\" data-end=\"1970\"\u003eSize in Inches\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1972\" data-end=\"2145\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1972\" data-end=\"1994\"\u003e\n\u003ctr data-start=\"1972\" data-end=\"1994\"\u003e\n\u003cth data-start=\"1972\" data-end=\"1986\" data-col-size=\"sm\" class=\"\"\u003eMeasurement\u003c\/th\u003e\n\u003cth data-start=\"1986\" data-end=\"1994\" data-col-size=\"sm\" class=\"\"\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2017\" data-end=\"2145\"\u003e\n\u003ctr data-start=\"2017\" data-end=\"2042\"\u003e\n\u003ctd data-start=\"2017\" data-end=\"2031\" data-col-size=\"sm\"\u003eCase Length\u003c\/td\u003e\n\u003ctd data-start=\"2031\" data-end=\"2042\" data-col-size=\"sm\"\u003e1.89 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2043\" data-end=\"2070\"\u003e\n\u003ctd data-start=\"2043\" data-end=\"2059\" data-col-size=\"sm\"\u003eCase Diameter\u003c\/td\u003e\n\u003ctd data-start=\"2059\" data-end=\"2070\" data-col-size=\"sm\"\u003e1.55 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2071\" data-end=\"2099\"\u003e\n\u003ctd data-start=\"2071\" data-end=\"2088\" data-col-size=\"sm\"\u003eCase Thickness\u003c\/td\u003e\n\u003ctd data-start=\"2088\" data-end=\"2099\" data-col-size=\"sm\"\u003e0.46 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2100\" data-end=\"2124\"\u003e\n\u003ctd data-start=\"2100\" data-end=\"2113\" data-col-size=\"sm\"\u003eBand Width\u003c\/td\u003e\n\u003ctd data-start=\"2113\" data-end=\"2124\" data-col-size=\"sm\"\u003e0.79 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2125\" data-end=\"2145\"\u003e\n\u003ctd data-start=\"2125\" data-end=\"2134\" data-col-size=\"sm\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-start=\"2134\" data-end=\"2145\" data-col-size=\"sm\"\u003e0.32 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Seiko","offers":[{"title":"Green","offer_id":67825236902192,"sku":"HRY-52778257154345","price":622.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/8558\/0592\/files\/ou-2026-03-02T104039.430.png?v=1790026888","url":"https:\/\/natsuyama365.com\/products\/seiko-5-sports-huf-sbsa323-limited-edition","provider":"Natsuyama","version":"1.0","type":"link"}