{"product_id":"seiko-5-sports-field-series-sbsa201-mid-size-automatic-mechanical-jdm-watch","title":"SEIKO 5 Sports Field series SBSA201 Mid-Size Automatic Mechanical JDM Watch","description":"\u003ch2\u003eSEIKO 5 Sports Field series SBSA201\u003c\/h2\u003e\n\u003ch3\u003eA compact JDM mechanical field watch with a black dial and khaki nylon strap\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eWatch Type:\u003c\/strong\u003e Automatic mechanical field watch\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCore Features:\u003c\/strong\u003e Caliber 4R36, 36.4 mm case width, black day-date dial, nylon strap, and 10-bar water resistance\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMarket Designation:\u003c\/strong\u003e Japanese Domestic Market Model\u003c\/p\u003e\n\n\u003ch3\u003eAbout the Watch\u003c\/h3\u003e\n\u003cp\u003eThe SEIKO 5 Sports Field series SBSA201 brings the functional character of a field watch to a compact mid-size case. Its black dial features clearly arranged hour markings, a day-date display, and Lumibrite on the hands and indexes. A khaki nylon strap completes its practical, military-influenced appearance without adding the weight of a metal bracelet.\u003c\/p\u003e\n\u003cp\u003eInside is Seiko’s caliber 4R36, an automatic mechanical movement that also supports manual winding. The stainless steel case measures 44.4 mm in length, 36.4 mm in width, and 12.5 mm in thickness. A curved Hardlex crystal protects the dial, while the screw-down exhibition case back provides a view of the mechanical movement.\u003c\/p\u003e\n\n\u003ch3\u003eKey Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJapanese Domestic Market SBSA201 reference from the SEIKO 5 Sports Field series\u003c\/li\u003e\n\u003cli\u003eCompact 36.4 mm case width paired with a lightweight nylon strap\u003c\/li\u003e\n\u003cli\u003eAutomatic caliber 4R36 with manual winding and approximately 41 hours of power reserve\u003c\/li\u003e\n\u003cli\u003eBlack dial with day-date calendar and Lumibrite on the hands and indexes\u003c\/li\u003e\n\u003cli\u003eCurved Hardlex crystal, exhibition case back, and 10-bar water resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesign and Wearability\u003c\/h3\u003e\n\u003cp\u003eThe 44.4 × 36.4 mm case dimensions give SBSA201 a smaller profile than many contemporary sports watches. Its nylon strap and total weight of 64 g create a relatively lightweight configuration. The manufacturer states a maximum wrist circumference of 225 mm.\u003c\/p\u003e\n\n\u003ch3\u003eMovement and Performance\u003c\/h3\u003e\n\u003cp\u003eCaliber 4R36 operates at 21,600 vibrations per hour and contains 24 jewels. It provides automatic winding, manual winding, and a stop-seconds function for setting the time. The manufacturer-rated accuracy is +45 to −35 seconds per day when worn on the wrist within a temperature range of 5°C to 35°C. Actual performance may vary according to temperature, movement, wearing time, and winding condition.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e SEIKO\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCollection:\u003c\/strong\u003e 5 Sports\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e Field series\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel \/ Reference Number:\u003c\/strong\u003e SBSA201\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMarket Designation:\u003c\/strong\u003e Japanese Domestic Market Model\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Manufacture:\u003c\/strong\u003e Japan\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGender Classification:\u003c\/strong\u003e Men's\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWatch Type:\u003c\/strong\u003e Automatic mechanical field watch\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisplay Type:\u003c\/strong\u003e Analog\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDial Color:\u003c\/strong\u003e Black\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDial Features:\u003c\/strong\u003e Day-date display and Lumibrite on the hands and indexes\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCase Dimensions:\u003c\/strong\u003e 44.4 × 36.4 × 12.5 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCase Length:\u003c\/strong\u003e 44.4 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCase Width:\u003c\/strong\u003e 36.4 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThickness:\u003c\/strong\u003e 12.5 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 64 g\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCase Material:\u003c\/strong\u003e Stainless steel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrystal:\u003c\/strong\u003e Curved Hardlex\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCase-Back:\u003c\/strong\u003e Screw-down exhibition case back made from stainless steel and glass\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBand:\u003c\/strong\u003e Nylon strap\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBand Color:\u003c\/strong\u003e Khaki\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Wrist Circumference:\u003c\/strong\u003e 225 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWater Resistance:\u003c\/strong\u003e 10 bar\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMagnetic Resistance:\u003c\/strong\u003e Magnetic resistance provided\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMovement Type:\u003c\/strong\u003e Automatic with manual winding\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCaliber:\u003c\/strong\u003e 4R36\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Reserve:\u003c\/strong\u003e Approximately 41 hours when fully wound\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrequency:\u003c\/strong\u003e 21,600 vibrations per hour\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eJewels:\u003c\/strong\u003e 24\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e +45 to −35 seconds per day when worn on the wrist within a temperature range of 5°C to 35°C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCore Functions:\u003c\/strong\u003e Stop-seconds function and day-date calendar\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRelease Date:\u003c\/strong\u003e March 2023\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eJAN Code:\u003c\/strong\u003e 4954628463814\u003c\/p\u003e\n","brand":"SEIKO","offers":[{"title":"Default Title","offer_id":47928961532159,"sku":"SBSA201","price":55900.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/sbsa201_1.jpg?v=1766196904","url":"https:\/\/japanheartfulstore.com\/products\/seiko-5-sports-field-series-sbsa201-mid-size-automatic-mechanical-jdm-watch","provider":"Japan Heartful Store","version":"1.0","type":"link"}