Navitimer B01 Chronograph 41 Collection_St. Moritz closure ring in steel

closure ring in steel

Its scratch-proof ceramic inlayed bezel will never wear or fade

Certina's ceramic bezels

15 carat natural ruby

Buckle Material: 18k red gold

Navitimer B01 Chronograph 41 Collection_St. Moritz closure ring in steelBreitlings 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