Breitling Navitimer

The Navitimer 01 launched 2011 introducing Breitling's manufacture Calibre B01 to their signature pilot's watch—first in-house chronograph replacing decades of ETA-based movements. The forty-six millimetre case represents traditional Navitimer sizing targeting enthusiasts favouring substantial wrist presence and maximum dial legibility for slide rule calculations.

Forty-six millimetres in stainless steel—commanding diameter providing authentic pilot's watch proportions echoing mid-century aviation instruments. Bidirectional rotating slide rule bezel with twin numerical scales enabling mathematical calculations. Domed sapphire crystal. Exhibition caseback displaying B01 movement through transparent window. Screw-down crown and chronograph pushers. Thirty metres water resistance.

Black dial with silver-toned subdials creating high-contrast "panda" aesthetic. Applied baton hour markers with luminous coating. Three chronograph subdials—thirty-minute counter at three o'clock, twelve-hour counter at six o'clock, running seconds at nine o'clock. Date window positioned within six o'clock subdial. Characteristic Navitimer information density maintained through slide rule graduations and chronograph registers.

Inside sits Breitling Calibre B01—manufacture automatic chronograph representing significant milestone for brand. Column wheel construction, vertical clutch, approximately seventy-hour power reserve. COSC certified chronometer. Forty-seven jewels, 28,800 vph. Red gold rotor visible through exhibition caseback with Breitling signature decoration.

Black crocodile leather strap with steel pin buckle. Twenty-four millimetre lug width accommodating substantial case proportions. The crocodile leather provides traditional pilot's watch aesthetic appropriate for instrument heritage. Full set includes Breitling presentation box, warranty card dated 2016 (warranty expired), instruction manual, certificate.

The forty-six millimetre sizing polarises opinions—traditionalists appreciate authentic Navitimer proportions matching historical references, contemporary buyers find diameter excessive for modern wearing preferences.