Breitling Premier B15 Duograph 42

The Premier B15 Duograph 42 (ref. AB1510171C1P1) is housed in a 42 mm steel case measuring 15.35 mm thick, fitted with a sapphire crystal and a blue dial. It is powered by the manual-winding Breitling calibre B15, a chronometer-certified movement with a double chronograph function and a 70-hour power reserve. The case incorporates a tachymeter scale, a screw-down crown, a display back, and is water resistant to 100 metres.