The Seiko Prospex Speedtimer honours a groundbreaking legacy, first introduced in 1969 as the world's first automatic chronograph with a column wheel and vertical clutch - features still essential in high-performance chronographs today. This modern edition features a 42mm stainless steel case (49.5mm lug to lug) with a hard-coated tachymeter bezel, and a black dial with contrasting sub dials under dual-curved sapphire crystal for optimal legibility. Powered by the in-house 8R48 mechanical chronograph calibre, the movement combines a vertical clutch, column wheel, and three-pointed hammer to deliver smooth, accurate, and durable chronograph functionality. Designed to meet the demands of professionals, this Prospex timepiece blends precision engineering with everyday reliability - built for those who seek adventure with style and substance.
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