The Breitling reference X82310 belongs to the robust and sporty Breitling Endurance Pro collection. This line of watches is specially designed for athletes and adventurers and combines lightness, precision and durability. Here is a detailed item description: Breitling Endurance Pro X82310 Model series : Breitling Endurance Pro Reference number : X82310 Housing : Material: Breitlight® , an innovative and lightweight high-tech material that is 3.3 times lighter than titanium and 5.8 times lighter than stainless steel. Breitlight® is scratch-resistant, corrosion-resistant and hypoallergenic. Diameter: 44 mm , a striking and sporty format, ideal for outdoor activities. Case color: Black Waterproof: Up to 100 meters (10 ATM) Dial : Color: Black Hour markers: Large Arabic numerals and applied indices with Super-LumiNova® luminous material, which are easy to read even in poor lighting conditions. Hands: The hands are also coated with Super-LumiNova®, which enables optimal readability. Features: Central hour, minute and second hands. Chronograph : 1/10 second chronograph display with two sub-dials for seconds and minutes. Pulsometer : With a scale to measure heart rate, which makes the watch especially useful for athletes. Movement : Caliber: Breitling Caliber 82 (SuperQuartz™ movement), a high-precision, thermo-compensated quartz movement that is ten times more precise than conventional quartz watches. Functions: hours, minutes, seconds, chronograph and date. Certification: COSC certified (Swiss Chronometer Certification), which confirms the high precision of the movement. Bracelet : Material: Rubber strap in yellow, which is particularly robust and durable, ideal for sporting activities. Closure: Breitlight® pin buckle for additional lightness and comfort. Glass : Scratch-resistant sapphire crystal with anti-reflective coating on both sides. Special features : Lightweight : Thanks to the Breitlight® case, the watch is extremely light and comfortable to wear, making it ideal for sporting activities. SuperQuartz™ technology : The Endurance Pro is equipped with a high-precision quartz movement that is significantly more precise than conventional quartz watches. Sporty design : This watch is aimed at people who lead an active lifestyle and offers a number of useful functions for athletes, such as the chronograph and the pulsometer. Robustness : Despite its low weight, the watch is extremely robust and durable, ideal for extreme conditions and outdoor activities. Conclusion: The Breitling Endurance Pro X82310A41B1S1 is a powerful and lightweight sports watch that impresses with its modern design and technical sophistication. It is ideal for sporting activities, whether in the gym or on outdoor adventures, while offering the precision of a COSC-certified SuperQuartz™ movement. You receive a 1 year warranty on the movement.