Navitimer B01 Chronograph 43

Navitimer B01 Chronograph 43Breitlings iconic pilots chronograph for the journey. In 1952, Willy Breitling developed a wrist worn chronograph with a circular slide rule that would allow pilots to perform all necessary flight calculations. Two years later, the Aircraft Owners and Pilots Association (AOPA) announced the design as its official timepiece. The navigation timer or Navitimer was born. The AOPA was (and remains) the largest pilots club in the world, counting nearly

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An especially high-quality automatic calibre with an incredibly innovative silicon balance spring is at the heart of the timepiece's inner workings

The bezel ring is presented in black aluminium and includes the legendary tachymeter scale with an emblematic “Dot Over Ninety”

while the helium escape valve features a conical design

With an impressive 80-hour power reserve

Weight (g): 82

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which features a blue enamel aventurine glass Moonphase disc (patent pending) with near and far sides of the moon in Sedna™ gold

The 3-row bracelet in alternating polished and brushed steel and 18K 2N yellow gold-plated feels weightless and fluid

the timepiece is driven by the OMEGA Co-Axial Master Chronometer Calibre 9909

Weight: 70g

Powering the timepiece is the OMEGA Co-Axial Master Chronometer 9905