Breitling Chronomat B01 Chronograph 42

Breitling's Chronomat B01 Chronograph 42, reference UB0158101B1U1, measures 42 mm in steel and 18k red gold. The case stands 13.77 mm thick with a sapphire crystal over the grey dial, which carries a date aperture and small seconds. The self-winding Breitling 01 calibre drives this chronograph, certified as a chronometer and rated for a 70 hour power reserve. A sapphire display back shows the movement. The chronograph totalises 30 minutes and 12 hours, and the screw-locked crown seals the case with two gaskets. The steel and gold bracelet pairs with a case rated to 200 metres of water resistance.