Breitling Endurance Pro 44

Breitling Endurance Pro 44 X82310A71B1S2 is a chronograph with a 44 mm case in Breitlight, the brand's lightweight carbon-based composite. The case measures 12.5 mm thick and sits under a sapphire crystal treated against glare on both sides. Inside is the Breitling calibre 82, a thermocompensated SuperQuartz movement with chronometer certification. The black dial has a date aperture and small seconds, with luminous hands and numerals for low-light legibility. The chronograph times to a tenth of a second over 30 minutes, useful for tracking intervals during training. It comes on a rubber strap fitted with a pin buckle. The case holds a 100 metre water resistance rating.