Legendary Speedmaster heritage with 1940s inspired design Blue dial with three distinctive timing scales running on a unique spiral track43mm stainless steel case paired with a matching bracelet Powered by the 9908 calibre movement for ultimate precision Water resistant to 5 bar (50metres) 1940s ROOTS A distinctive timepiece that fuses classic and modern, the Speedmaster Chronoscope Co-Axial Master Chronometer interlaces features of the iconic chronograph wristwatches of the 1940s with the impressive heritage of the Speedmaster. Leaf-shaped hands and Arabic numerals housed above a unique spiral track pattern are the most distinctive elements of this collection. UNRIVALLED PRECISIONThis 43mm model features a stainless steel case, paired with a stainless steel bracelet. The blue dial features three chronograph scalesa tachymeter scale for measuring speed and distance, a pulsometer scale for measuring the wearers pulse, and a Telemeter scale for measuring the distance from something t