Breitling Navitimer Chronograph

The Navitimer launched 1952 as pilot's chronograph with circular slide rule for aviation calculations. The Navitimer 01 introduced 2011 marked Breitling's first in-house chronograph movement in collection's history.

Forty-six millimetres in stainless steel with brushed and polished finishing. Bidirectional rotating slide rule bezel enabling calculations including fuel consumption, climb rates, distance conversions, and multiplication/division. Screw-down crown and chronograph pushers. Sapphire crystal. Three bar water resistance.

Black dial with applied hour markers and luminous coating. Three subdials—running seconds at nine o'clock, thirty-minute counter at three o'clock, twelve-hour counter at six o'clock. Date window at four-thirty position. Inside sits Calibre B01—Breitling's manufacture chronograph movement featuring column wheel and vertical clutch. Forty-seven jewels, 28,800 vph, seventy-hour power reserve. COSC chronometer certified.

Black leather strap with folding clasp. Very good condition from 2015 means ten years of wear—expect moderate scratching on polished surfaces, dulling on brushed components, leather strap showing age and creasing, no significant damage. Full set includes Breitling presentation box, warranty papers dated 2015, booklets. Manufacturer's warranty expired—covered by Pride & Pinion one-year warranty.

The forty-six millimetre case maintains traditional Navitimer proportions whilst Calibre B01 manufacture movement delivers seventy-hour power reserve and column wheel chronograph architecture supporting slide rule functionality developed for aviation calculations.