Breitling Endurance Pro 44

Breitling's Endurance Pro 44, reference X82310A51B1S2, has a 44 mm case in Breitlight, the brand's proprietary lightweight composite. The case measures 12.5 mm thick, and a sapphire crystal, glareproofed on both sides, covers the black dial. Inside runs the Breitling calibre 82, a thermocompensated SuperQuartz movement with COSC chronometer certification. This is a chronograph, with a 1/10th-second counter running to 30 minutes, plus a small seconds subdial and a date aperture. Hands and numerals are luminous for legibility in low light. The rubber strap closes with a tang-type buckle in Breitlight. Water resistance on this reference is rated to 100 metres.