The Breitling Endurance Pro combines an ultra-lightweight 44 millimeter Breitlight® case and a thermo- compensated SuperQuartz™ movement ten times more accurate than conventional quartz, and it offers optimal comfort, matchless precision, and functionality that will appeal both to committed athletes and to more casual sports enthusiasts. Designed for men and women whose active lives blend a professional mindset with a sporty lifestyle, the Endurance Pro is equal to the challenges of a rigorous workout but fashionable enough for everyday wear.