Breitling Launch Limited Edition Cosmonaute To Mark 140th Anniversary Year 

Breitling Launch Limited Edition Cosmonaute To Mark 140th Anniversary Year 

Astronaut Scott Carpenter approached Breitling with a unique request in 1962: to modify the Navitimer’s design for space exploration. 

Admiring its computational prowess, Carpenter asked for a 24-hour dial to distinguish day from night in orbit. Breitling met the challenge, and the customized Navitimer, later dubbed the Cosmonaute, accompanied Carpenter on his May 24, 1962, mission to become the first Swiss wristwatch in space.

To mark Breitling’s 140th anniversary, it is releasing a limited edition of the 24-hour timepiece. This time, however, the main modification isn’t for zero-g but for everyday life: a self-winding chronograph movement, the Breitling manufacture caliber B12. 

The first Swiss wristwatch in space: Scott Carpenter’s original Breitling Navitimer Cosmonaute worn during his Mercury-Atlas 7 mission in 1962

The new release is limited to 250 pieces and only available through Breitling’s online and in-store boutiques. It features an 18k red-gold case, beautifully complemented by its deep green dial, golden numerals, and black alligator leather strap. 

Navitimer Cosmonaute advertisement 1963

Flip the watch to see the open caseback view of the contrasting oscillating weight capping the B12 movement. The manufacture caliber provides approximately 70 hours of power and comes with a 5-year warranty. A caseback engraving states the ‘One of 250’ limitation and reveals the watch’s incredible story: ‘First Swiss Wristwatch in Space/Navitimer Cosmonaute May 24,1962.’

Inspired by astronauts, adapted for life on Earth, the new Cosmonaute limited edition merges storied heritage with modern ease of wear.

Technical Specifications:


Reference: RB12302A1L1P1 


Caliber: Breitling Manufacture Caliber B12 

Diameter: 30.4 millimeters 

Depth: 7.33 millimeters 

Winder: self-winding mechanical, bidirectional with ball bearing 

Power reserve: approx. 70 hours 

Number of components: 332 

Balance frequency: 28,800 a/h or 4 hertz 

Chronograph: column-wheel, vertical clutch, 1/4th second, 30-minute and 12-hour totalizers 

Display: hour, minute, second, date window 

Certification: COSC-certified 


Material: 18 k red gold 

Diameter: 41 millimeters 

Thickness: 13.6 millimeters 

Height (upper lug tip to lower lug tip): 47.09 millimeters 

Water resistance: up to 3 bar (30 meters) 

Glass: cambered sapphire, glareproofed on both sides 

Caseback: screwed 18 k red gold, sapphire crystal 

Crown: non-screw-locked, two gaskets 

Bezel: bidirectional with circular slide rule 


Green with contrasting chronograph counters 

Super-LumiNova® luminescent hour and minute hand 


Black alligator leather strap with an 18 k red-gold folding buckle 

For pricing and more information please visit Breitling

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