Graham Prodive Professonal model 2CDAV.B01A. Limited edition of 200 pieces. Swiss automatic mono-pusher chronograph movement. 30 minutes counter to measure decompression time. Black PVD automatic Helium escape valve. Stainless steel case. Integrated steel with black PVD left hand fast-action start / stop / reset trigger. Unidirectional rotating bezel with 120 positions to measure dive time. Sapphire crystal. Black dial with date calendar, luminous hands and markers. Yellow rubber strap. 600 meters water resistant.
