Limited edition of 200 pieces an avant garde design instrument built for performance when it comes to design and performance graham chronographs have always been in a category of their own imposing daring avant gardist they are made for self assured men who fight to win men who want the exceptional timepiece strapped on their wrist to be like no other chronograph watch chronograph seconds 30 minutes counter to measure decompression time date at 9 oclock black pvd automatic heliu