{"product_id":"seiko-5-sports-hdb009j-jdm-field-automatic-brown-nylon-japan-made","title":"SEIKO 5 SPORTS HDB009J JDM Field Automatic Brown Nylon Japan Made","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe SEIKO 5 SPORTS HDB009J is a Japan Made Field series mechanical watch with a brown dial and nylon strap. Designed with outdoor utility and everyday wearability in mind, it features a 41.0 mm stainless steel case, a bi-directional rotating compass-scale bezel, and strong LumiBrite visibility for practical field-watch character.\u003c\/p\u003e\n\u003cp\u003ePowered by Caliber 4R36 Mechanical Automatic movement, the watch offers manual winding, stop-seconds functionality, day-date display, 24 jewels, and an approx. 41-hour power reserve. The day display supports both Japanese and English, adding useful daily convenience.\u003c\/p\u003e\n\u003cp\u003eThe brown dial changes nuance depending on the light, giving the watch a mature military-inspired look. A newly designed nylon strap with leather accents enhances durability and field style, while curved Hardlex, 10 bar water resistance, magnetic resistance, and a see-through screw case back support dependable everyday use.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Name: SEIKO 5 SPORTS Field series\u003c\/li\u003e\n\u003cli\u003eModel Code: HDB009J\u003c\/li\u003e\n\u003cli\u003eCase: 13.2 mm thickness × 41.0 mm diameter × 48.5 mm lug-to-lug, 85.0g, stainless steel\u003c\/li\u003e\n\u003cli\u003eCase Back: Stainless steel and glass, see-through screw back\u003c\/li\u003e\n\u003cli\u003eBezel: Bi-directional rotating compass-scale bezel\u003c\/li\u003e\n\u003cli\u003eBand: Brown nylon strap with leather accents\u003c\/li\u003e\n\u003cli\u003eWrist size: Up to 205.0 mm\u003c\/li\u003e\n\u003cli\u003eBand width: 20 mm\u003c\/li\u003e\n\u003cli\u003eWater resistance: 10 bar\u003c\/li\u003e\n\u003cli\u003eMovement: Caliber 4R36 Mechanical Automatic, manual winding compatible\u003c\/li\u003e\n\u003cli\u003eJewels: 24 jewels\u003c\/li\u003e\n\u003cli\u003ePower: Automatic winding with manual winding; approx. 41-hour power reserve\u003c\/li\u003e\n\u003cli\u003eAccuracy: +45 to -35 seconds per day\u003c\/li\u003e\n\u003cli\u003eDisplay: Analog brown dial with day-date display\u003c\/li\u003e\n\u003cli\u003eFunctions: Day display, date display, stop-seconds function, manual winding, bilingual day display in Japanese and English\u003c\/li\u003e\n\u003cli\u003eSpecial features: Field series design, rotating compass-scale bezel, see-through case back, screw case back, magnetic resistance\u003c\/li\u003e\n\u003cli\u003eIllumination: LumiBrite on hands, indexes, and bezel\u003c\/li\u003e\n\u003cli\u003eGlass: Curved Hardlex\u003c\/li\u003e\n\u003cli\u003eOrigin: Japan Domestic Market (JDM), Made in Japan\u003c\/li\u003e\n\u003cli\u003eWarranty: 3-year official manufacturer warranty\u003c\/li\u003e\n\u003cli\u003eRelease date: June 5, 2026\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Highlights\u003c\/h2\u003e\n\u003cp\u003eThe HDB009J stands out as a SEIKO 5 SPORTS Field series model with a practical bi-directional compass-scale bezel. Compared with standard field watches, it offers stronger outdoor character while remaining easy to wear daily.\u003c\/p\u003e\n\u003cp\u003eIts Caliber 4R36 automatic movement provides reliable mechanical performance with manual winding, stop-seconds functionality, 24 jewels, and an approx. 41-hour power reserve. The bilingual day-date display adds useful everyday convenience.\u003c\/p\u003e\n\u003cp\u003eOn the wrist, the 41.0 mm case gives a balanced presence, while the brown dial and nylon strap create a warm, mature military-inspired style. LumiBrite, curved Hardlex, and 10 bar water resistance support practical use.\u003c\/p\u003e\n\u003cp\u003eAs a Japan Made JDM model, the HDB009J is a strong choice for buyers seeking a mechanical field watch with outdoor utility, daily reliability, and authentic SEIKO 5 SPORTS character.\u003c\/p\u003e\n\u003ch2\u003eShort Promo Line\u003c\/h2\u003e\n\u003cp\u003eSEIKO 5 SPORTS Field Series \/ Japan Made Automatic \/ Brown Nylon Field Watch\u003c\/p\u003e","brand":"SEIKO","offers":[{"title":"Default Title","offer_id":48729204261119,"sku":"HDB009J","price":58800.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/hdb009j_1.jpg?v=1782132215","url":"https:\/\/japanheartfulstore.com\/products\/seiko-5-sports-hdb009j-jdm-field-automatic-brown-nylon-japan-made","provider":"Japan Heartful Store","version":"1.0","type":"link"}