The new Ball Roadmaster Rescue Chronograph features a 41 mm titanium case with a stainless steel unidirectional rotating bezel with ceramic insert and gas tubes. This model features a chronograph with cumulative measurement up to 12 hours, graduated pulsometer for 15 beats, patented Amortiser® anti-shock system (5,000Gs shock resistance) and 37 gas tubes that allow a luminosity 100 times greater than traditional luminescent paints.