{"product_id":"seiko-prospex-speedtimer-sber003-jdm-1-100-sec-solar-chronograph-black","title":"SEIKO PROSPEX SPEEDTIMER SBER003 JDM 1\/100 Sec Solar Chronograph Black","description":"\u003ch2 data-source-line=\"64-64\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-source-line=\"66-66\"\u003eThe SEIKO PROSPEX SPEEDTIMER SBER003 is a JDM Solar Chronograph designed around SEIKO’s sports timing heritage. Developed within the SEIKO PROSPEX SPEEDTIMER lineup, it features a black chronograph dial, tachymeter bezel, and technical multi-hand layout that give the watch a sharp motorsport-inspired identity.\u003c\/p\u003e\n\u003cp data-source-line=\"68-68\"\u003ePowered by Caliber 8A50 Solar Chronograph, the SBER003 offers 1\/100-second chronograph measurement up to 60 minutes, combining advanced analog timing performance with solar-powered convenience. With approximately 6 months of operation when fully charged, ±15 seconds per month accuracy, sapphire crystal, LumiBrite visibility, and 10 bar water resistance, it is built for dependable everyday use.\u003c\/p\u003e\n\u003cp data-source-line=\"70-70\"\u003eDesigned for buyers seeking a high-function JDM solar chronograph, the SBER003 delivers a more technical SPEEDTIMER experience than standard chronograph models. Its black dial, precise 1\/100-second timing display, and premium sports design make it a strong choice for collectors and users who value both functionality and visual impact.\u003c\/p\u003e\n\u003ch2 data-source-line=\"72-72\"\u003eKey Specifications\u003c\/h2\u003e\n\u003cul data-source-line=\"74-89\"\u003e\n\u003cli data-source-line=\"74-74\"\u003eCase: 48.3 × 42.0 × 12.9 mm, 161g, stainless steel construction\u003c\/li\u003e\n\u003cli data-source-line=\"75-75\"\u003eBezel: Fixed tachymeter bezel, black finish\u003c\/li\u003e\n\u003cli data-source-line=\"76-76\"\u003eBand: Stainless steel bracelet, silver, three-fold clasp with push-button release\u003c\/li\u003e\n\u003cli data-source-line=\"77-77\"\u003eWater resistance: 10 bar \/ 100m\u003c\/li\u003e\n\u003cli data-source-line=\"78-78\"\u003eMovement: Caliber 8A50 Solar Chronograph\u003c\/li\u003e\n\u003cli data-source-line=\"79-79\"\u003ePower: Solar charging system; approx. 6 months when fully charged\u003c\/li\u003e\n\u003cli data-source-line=\"80-80\"\u003eAccuracy: ±15 seconds per month\u003c\/li\u003e\n\u003cli data-source-line=\"81-81\"\u003eDisplay: Analog black chronograph dial\u003c\/li\u003e\n\u003cli data-source-line=\"82-82\"\u003eFunctions: 1\/100-second chronograph up to 60 minutes, date calendar, small seconds\u003c\/li\u003e\n\u003cli data-source-line=\"83-83\"\u003eSpecial features: Solar, 1\/100-second chronograph, tachymeter scale, overcharge prevention, magnetic resistance, screw case back\u003c\/li\u003e\n\u003cli data-source-line=\"84-84\"\u003eIllumination: LumiBrite on hands and indexes\u003c\/li\u003e\n\u003cli data-source-line=\"85-85\"\u003eGlass: Curved sapphire crystal with inner anti-reflective coating\u003c\/li\u003e\n\u003cli data-source-line=\"86-86\"\u003eOrigin: Japan Domestic Market (JDM)\u003c\/li\u003e\n\u003cli data-source-line=\"87-87\"\u003eWarranty: Japan domestic manufacturer warranty\u003c\/li\u003e\n\u003cli data-source-line=\"88-89\"\u003eModel Code: SBER003\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-source-line=\"90-90\"\u003eKey Highlights\u003c\/h2\u003e\n\u003cp data-source-line=\"92-92\"\u003eThe SBER003 stands out through its 1\/100-second chronograph function, which gives it a stronger technical identity than many standard solar chronographs. The black dial and tachymeter bezel create a focused, motorsport-inspired appearance within the SEIKO PROSPEX SPEEDTIMER collection.\u003c\/p\u003e\n\u003cp data-source-line=\"94-94\"\u003eIts Caliber 8A50 Solar Chronograph movement provides precise analog timing performance with solar-powered convenience. The 1\/100-second measurement capability, date display, and stable monthly accuracy make it highly practical for users who want both advanced timing and everyday reliability.\u003c\/p\u003e\n\u003cp data-source-line=\"96-96\"\u003eOn the wrist, the 42.0 mm case gives the watch a modern sports presence without becoming excessive. The stainless steel bracelet, curved sapphire crystal, LumiBrite visibility, and 10 bar water resistance support daily use, travel, and business-casual styling.\u003c\/p\u003e\n\u003cp data-source-line=\"98-98\"\u003eWithin the SEIKO PROSPEX SPEEDTIMER lineup, the SBER003 is a strong JDM option for buyers seeking a solar powered watch with advanced chronograph performance, premium Japanese sports design, and a distinctive black dial configuration.\u003c\/p\u003e","brand":"SEIKO","offers":[{"title":"Default Title","offer_id":47928949932287,"sku":null,"price":128400.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/sber003_1.jpg?v=1766196449","url":"https:\/\/japanheartfulstore.com\/products\/seiko-prospex-speedtimer-sber003-jdm-1-100-sec-solar-chronograph-black","provider":"Japan Heartful Store","version":"1.0","type":"link"}