Breitling Navitimer B19 Chronograph 43 Perpetual Calendar

The Breitling Navitimer B19 Chronograph 43 Perpetual Calendar (ref. PB1921251B1P1) pairs a 43mm steel case with a platinum rotating bezel and a grey dial protected by sapphire crystal. It is powered by the automatic Breitling calibre B19, a chronometer-certified movement offering 96 hours of power reserve, and combines chronograph and perpetual calendar functions with a tachymeter scale. Water resistance is rated to 30 metres.