{"product_id":"seiko-prospex-sbpk003-jdm-sumo-solar-gmt-diver-black-japan-made","title":"SEIKO PROSPEX SBPK003 JDM Sumo Solar GMT Diver Black Japan Made","description":"\u003ch2 data-source-line=\"12-12\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-source-line=\"14-14\"\u003eThe SEIKO PROSPEX SBPK003 JDM Sumo Solar GMT Diver combines SEIKO’s professional diver heritage with a practical solar GMT layout. Developed within the SEIKO PROSPEX DIVER SCUBA lineup, it features a black dial, large LumiBrite markers, a unidirectional rotating bezel, and a stainless steel case design suited for diving, travel, and everyday use.\u003c\/p\u003e\n\u003cp data-source-line=\"16-16\"\u003ePowered by Caliber 5K65 Solar Quartz, the watch offers a GMT hand, date display, and approx. 9 months of operation when fully charged. Sapphire crystal with inner anti-reflective coating, a screw-down crown, screw case back, magnetic resistance, and 200 m air diver’s water resistance support dependable performance in active environments.\u003c\/p\u003e\n\u003cp data-source-line=\"18-18\"\u003eDesigned for buyers seeking a Japan Made men’s solar GMT diver, the SBPK003 delivers strong readability, solid wrist presence, and premium Japanese craftsmanship. Within the SEIKO PROSPEX collection, it stands out through its black tool-watch design, Sumo case profile, and JDM appeal.\u003c\/p\u003e\n\u003ch2 data-source-line=\"20-20\"\u003eKey Specifications\u003c\/h2\u003e\n\u003cul data-source-line=\"22-38\"\u003e\n\u003cli data-source-line=\"22-22\"\u003eCase: 51.8 × 45.0 × 13.2 mm, 182g, stainless steel with Diashield coating\u003c\/li\u003e\n\u003cli data-source-line=\"23-23\"\u003eBezel: Unidirectional rotating bezel, black finish\u003c\/li\u003e\n\u003cli data-source-line=\"24-24\"\u003eBand: Stainless steel bracelet, silver, one-push diver extender clasp\u003c\/li\u003e\n\u003cli data-source-line=\"25-25\"\u003eWater resistance: 200 m air diver’s water resistance\u003c\/li\u003e\n\u003cli data-source-line=\"26-26\"\u003eMovement: Caliber 5K65 Solar Quartz GMT\u003c\/li\u003e\n\u003cli data-source-line=\"27-27\"\u003ePower: Solar charging system; approx. 9 months when fully charged\u003c\/li\u003e\n\u003cli data-source-line=\"28-28\"\u003eAccuracy: ±15 sec\/month\u003c\/li\u003e\n\u003cli data-source-line=\"29-29\"\u003eDisplay: Analog black dial with GMT hand and date display\u003c\/li\u003e\n\u003cli data-source-line=\"30-30\"\u003eFunctions: GMT hand, 24-hour display, date calendar\u003c\/li\u003e\n\u003cli data-source-line=\"31-31\"\u003eSpecial features: Solar, Diashield coating, screw-down crown, screw case back, LumiBrite on hands, indexes and bezel, magnetic resistance, unidirectional rotating bezel\u003c\/li\u003e\n\u003cli data-source-line=\"32-32\"\u003eGlass: Sapphire crystal with inner anti-reflective coating\u003c\/li\u003e\n\u003cli data-source-line=\"33-33\"\u003eOrigin: Japan Domestic Market (JDM)\u003c\/li\u003e\n\u003cli data-source-line=\"34-34\"\u003eMade in Japan: Japan Made\u003c\/li\u003e\n\u003cli data-source-line=\"35-35\"\u003eWarranty: 1 year Japan domestic manufacturer warranty\u003c\/li\u003e\n\u003cli data-source-line=\"36-36\"\u003eModel Code: SBPK003\u003c\/li\u003e\n\u003cli data-source-line=\"37-38\"\u003eRelease date: June 2023\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-source-line=\"39-39\"\u003eKey Highlights\u003c\/h2\u003e\n\u003cp data-source-line=\"41-41\"\u003eThe SBPK003 stands out through its black Sumo-style diver design and practical GMT functionality. Compared with standard three-hand diver watches, the added GMT hand gives it stronger travel utility while preserving the bold SEIKO PROSPEX tool-watch character.\u003c\/p\u003e\n\u003cp data-source-line=\"43-43\"\u003eIts Caliber 5K65 Solar Quartz movement provides reliable light-powered performance with minimal battery maintenance. The approx. 9-month power reserve when fully charged makes it practical for daily use, travel, and active outdoor environments.\u003c\/p\u003e\n\u003cp data-source-line=\"45-45\"\u003eOn the wrist, the 45.0 mm case delivers a strong diver presence, while the stainless steel bracelet, sapphire crystal, LumiBrite layout, and 200 m air diver’s water resistance support durability and readability.\u003c\/p\u003e\n\u003cp data-source-line=\"47-47\"\u003eWithin the SEIKO PROSPEX DIVER SCUBA lineup, this JDM Japan Made model is a strong option for buyers seeking a solar powered watch with GMT functionality, premium Japanese craftsmanship, and classic black diver styling.\u003c\/p\u003e","brand":"SEIKO","offers":[{"title":"Default Title","offer_id":47928938987775,"sku":null,"price":133500.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/sbpk003_1.jpg?v=1766195878","url":"https:\/\/japanheartfulstore.com\/products\/seiko-prospex-sbpk003-jdm-sumo-solar-gmt-diver-black-japan-made","provider":"Japan Heartful Store","version":"1.0","type":"link"}