Seiko Prospex x Automatic ft. Mechanical Speedtimer Men Formal Round 200m Water Resistant Watch SPB515J1 SPB515 SPB-515 SPB-515J1 Discover the Seiko Speedtimer mechanical watch with its innovative countdown timer function, operated via the side crown for precise interval measurements. Features a vintage-inspired 1970s design with orange accents, multi-row stainless steel bracelet, and compact case for superior comfort and reliability. Perfect for motorsports enthusiasts and everyday timing tasks. Caliber Number / Movement 6R55 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 72 hours (+25 to -15 seconds per day) Crystal Sapphire crystal (curved, anti-reflective coating) Luminous LumiBrite on hands and indexes Case / Band Material Stainless steel (super hard coating) case with stainless steel band (three-fold clasp with push-button release) Water Resistance 200m / 20 bar Case Size Thickness: 12.0 mm Diameter: 39.5 mm Length: 44.5 mm Lug width: 20.0 mm Other Specifications Seiko Prospex x Automatic ft. Mechanical Speedtimer Made in Japan Magnetic resistance (4,800 A/m) Rotating countdown inner ring Screw case back 24 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)
