Breitling Premier B15 Duograph 42

The Premier B15 Duograph 42 (ref. RB1510251B1P1) is housed in a 42 mm rose gold case measuring 15.35 mm thick, paired with a black dial and sapphire crystal. It is powered by the manually wound Breitling calibre B15, a double chronograph movement offering 70 hours of power reserve and certified as a chronometer. The tachymeter scale supports the double chronograph function, while a screw-down crown and display case back contribute to water resistance of 100 m.