Seiko Prospex SPEEDTIMER Black Blue Dial Watch from the SPEEDTIMER series in the Prospex collection. Featuring a black dial with blue accents, drawing inspiration from the iconic Speed timer and Seiko's esteemed legacy in sports timing. During the 1960s, Seiko made a profound impact on international sports timing with their high-precision equipment, endorsed by renowned sports federations. Their innovative "heart-shaped cam" mechanism revolutionized manual sports timing devices. In 1969, Seiko introduced the groundbreaking Seiko Speed timer with Caliber 6139, the world's first automatic chronograph with a column wheel and vertical clutch, revolutionizing wristwatch elapsed time measurement. Today, the Prospex collection unveils a new series of SPEEDTIMER watches, including this exceptional piece from the solar chronographs range, boasting a captivating black and blue dial. Calibre V192 Movement Type Solar Precision ±15 seconds per month Power reserve Operating for approx. 6 months (when fully charged) Functions Display function of resuming electric power generation. Overcharge prevention function 24-hour hand Equipped with small seconds hand Chronograph up to 60 minutes in 1/5 second increments Date display Case/Band Case Material Stainless steel Case Size Thickness:13.0mm Diameter:41.4mm Lug-to-lug:45.9mm Crystal Curved sapphire crystal Crystal Coating Anti-reflective coating on inner surface LumiBrite Lumibrite on hands and index(es) Clasp Three-fold clasp with push button release Bracelet Length 197.0mm Distance between lugs 21mm Other Details Water Resistance 10 bar Magnetic Resistance 4,800 A/m Weight 164.0g Features Tachymeter function Screw case back
