The Breitling Endurance Pro 44 mm X823109A1K1S1 is a dynamic sports watch designed for active lifestyles and outdoor adventures. With a lightweight 44 mm case made from Breitlight®—a proprietary composite material that is both incredibly durable and significantly lighter than titanium—the Endurance Pro offers both comfort and resilience. The bold black dial features oversized luminous markers and hands for excellent visibility, while the chronograph functions and a tachymetric scale provide essential timing capabilities for sports enthusiasts.

Powered by a reliable Breitling SuperQuartz™ movement, this watch offers exceptional precision and a battery life of up to two years, making it ideal for those who demand accuracy in their timekeeping. With a water resistance of up to 100 meters, the Endurance Pro is well-suited for various activities, from swimming to hiking. It typically comes with a colorful rubber strap that adds a sporty flair, enhancing both style and comfort. Whether you're hitting the trails or navigating daily challenges, the X823109A1K1S1 embodies Breitling's commitment to quality and performance, making it a versatile choice for adventurers and watch enthusiasts alike.