The Breitling Endurance Pro 38 X83310D91B2S1 is a lightweight sports chronograph designed for active individuals. It features a 38mm Breitlight® case, a material known for being 3.3 times lighter than titanium and 5.8 times lighter than stainless steel. The watch is powered by the Breitling Caliber 83, a thermocompensated SuperQuartz™ movement, and offers functions including a 1/10th second chronograph and date display. The black dial is complemented by a red rubber strap, and the watch is water-resistant up to 100 meters. Reference number: X83310D91B2S1.