The Breitling Navitimer and the Pilots Who Calculated with Their Wrists
In 1952, Breitling introduced the Navitimer with a circular slide rule bezel performing calculations essential to aerial navigation: fuel consumption, airspeed conversion, distance-time computations. Developed with the Aircraft Owners and Pilots Association, whose winged logo appeared on early dials.
The slide rule works through rotating inner and outer scales. By aligning numbers, pilots could multiply, divide, and compute ratios without reaching for a separate flight computer. The system required practice but rewarded with rapid answers in the cockpit.
The original Reference 806 housed a Venus 178 hand-wound movement. In 1969, Breitling partnered with Heuer and Hamilton for the Calibre 11, one of the first automatic chronographs, with its distinctive left-side crown (https://www.breitling.com).
Scott Carpenter wore a modified Navitimer, the Cosmonaute with 24-hour dial, during his 1962 Mercury orbital mission, making it the first Swiss chronograph in space. Airline pilots worldwide adopted the Navitimer as their standard wrist instrument.
The modern Navitimer, relaunched in 2022 for the 70th anniversary, retains the slide rule while updating with the in-house Calibre 01, a COSC-certified automatic with 70-hour power reserve. New colour options include green, copper, and ice-blue dials.
Wearing a Navitimer means comfort with visual complexity. The dense instrument-like face pairs best with casual or aviation-themed outfits where its technical character feels at home: leather jackets, open-collar shirts, robust trousers.
For the man drawn to watches with genuine purpose, the Navitimer is compelling. Learn the slide rule, and you gain a conversation piece and tangible connection to the golden age of manned flight. Choose the 41mm for dress versatility or 46mm for maximum vintage presence.