Precise, robust and sporty, this ultimate classic watch for divers with 200 m water resistance. It features a unidirectional bezel, luminescent markings, plus a strap sporting a clasp with safety lock and diver extension. This iconic model was designed over twenty years ago, and yet is still completely in line with length of 41.00, width 42.00, thickness 12.02, lugs 19.00, battery type Renata 394 and functions 30-minutes and 1/10 of a second counters, add and split functions, central 60-seconds chronograph hand, EOL battery life indicator, making it typical diver's chronograph watch.