Breitling Chronomat B01 Chronograph 42

Breitling's Chronomat B01 Chronograph 42, reference AB0158101A1S1, is a steel chronograph with a 42 mm case. The case measures 13.77 mm thick. A sapphire crystal covers the white dial, and a sapphire caseback allows a view of the movement. Inside runs the self-winding Breitling 01 calibre, chronometer certified, with a power reserve of approximately 70 hours. The chronograph function pairs with a small seconds display and a date aperture, and the screw-locked crown adds security against moisture. A black rubber strap closes on a steel folding clasp. The screw-locked crown and case together hold the water resistance at 200 metres.