{"product_id":"seiko-prospex-speedtimer-automatic-chronograph-42mm-watch-hbd001j1","title":"Seiko Prospex Speedtimer Automatic Chronograph 42mm Watch HBD001J1","description":"\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Seiko\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollection:\u003c\/strong\u003e Prospex Speedtimer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e HBD001J1 (HBD001)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase:\u003c\/strong\u003e 42mm stainless steel with super-hard coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMovement:\u003c\/strong\u003e Automatic chronograph Caliber 8R48 with manual winding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Reserve:\u003c\/strong\u003e Approximately 45 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e 30-minute and 12-hour chronograph, date, tachymeter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal:\u003c\/strong\u003e Dual-curved sapphire with inner anti-reflective coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Resistance:\u003c\/strong\u003e 10 bar \/ 100 meters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBracelet:\u003c\/strong\u003e Stainless steel with push-button three-fold clasp\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSeiko Prospex Speedtimer Automatic Chronograph HBD001J1\u003c\/h3\u003e\u003cp\u003eDrawing inspiration from a celebrated 1972 Speedtimer design, the Seiko Prospex HBD001J1 captures the spirit of classic motorsport timing in a modern mechanical chronograph. Distinct finishes across the subdials enhance legibility, while sky-blue accents bring a lively, vintage-inspired contrast to the dial.\u003c\/p\u003e\u003cp\u003eThe 42mm stainless steel case features vertical brushed finishing and a protective super-hard coating. A dual-curved sapphire crystal and thoughtfully designed bracelet complete the refined yet purposeful look. Inside, Seiko’s automatic Caliber 8R48 offers both manual winding and chronograph timing, with approximately 45 hours of power reserve.\u003c\/p\u003e\u003ch3\u003eWhy Skeie’s Chooses This Watch\u003c\/h3\u003e\u003cp\u003eWe love the HBD001J1 for its blend of racing heritage and genuine mechanical watchmaking. The distinctive subdials and subtle blue details give it personality without sacrificing readability, and the solid steel construction makes it a compelling choice for someone who appreciates a traditional automatic chronograph.\u003c\/p\u003e\u003ch3\u003eSpeedtimer Heritage\u003c\/h3\u003e\u003cp\u003eSeiko’s Speedtimer story is rooted in its long history of chronograph innovation. This Prospex model pays tribute to the character of a 1972 design while incorporating contemporary finishing, sapphire crystal, and the precision of Caliber 8R48.\u003c\/p\u003e\u003ch3\u003eWhy Buy Your Seiko from Skeie’s?\u003c\/h3\u003e\u003cp\u003eFamily-owned since 1922, Skeie’s Jewelers offers knowledgeable, personalized service and a lasting commitment to the watches we sell. We’re happy to help you find a Seiko that fits your style and interests.\u003c\/p\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Seiko\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollection:\u003c\/strong\u003e Prospex Speedtimer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e HBD001J1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 8R48\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMovement:\u003c\/strong\u003e Automatic with manual winding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e +25 to -15 seconds per day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Reserve:\u003c\/strong\u003e Approximately 45 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJewels:\u003c\/strong\u003e 34\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e Chronograph up to 12 hours, stop-seconds, date, tachymeter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Material:\u003c\/strong\u003e Stainless steel with super-hard coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Diameter:\u003c\/strong\u003e 42.0mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Thickness:\u003c\/strong\u003e 14.6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLug-to-Lug:\u003c\/strong\u003e 49.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLug Width:\u003c\/strong\u003e 20mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal:\u003c\/strong\u003e Dual-curved sapphire with inner anti-reflective coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuminous Material:\u003c\/strong\u003e LumiBrite on hands and indexes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBracelet:\u003c\/strong\u003e Stainless steel, three-fold push-button clasp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Resistance:\u003c\/strong\u003e 10 bar \/ 100 meters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Resistance:\u003c\/strong\u003e 4,800 A\/m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaseback:\u003c\/strong\u003e Screw caseback\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Seiko","offers":[{"title":"Default","offer_id":53516588581175,"sku":"HBD001J1","price":2500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/4923\/7841\/files\/HBD001J1_ima_3_2026.png?v=1793831468","url":"https:\/\/skeies.com\/products\/seiko-prospex-speedtimer-automatic-chronograph-42mm-watch-hbd001j1","provider":"Skeie's Jewelers","version":"1.0","type":"link"}