Since 1884 Breitling have been a specialist in technical watches and today are the official supplier to world aviation. Unusually for a large luxury watch manufacturer all of Breitling's watches are equipped with chronometer-certified movements. All mechanical chronograph parts are crafted in Breitling's own workshops and Breitling remains one of the last independent family-run Swiss watchmakers.A watch which is literally out of this world the Navitimer Comonaute orbited the earth 3 times on the wrist of Scott Carpenter onboard Aurora 7 it's 24 hour timing distinguishes day from night. The slide rule around the edge of the watch is useful for mid-air calculations also inside the case sits the date and chronograph, both are powered by the Breitling 02 manual winding calibre. The stainless steel case is 43mm in diameter and has a depth of 14.2mm. Both the case and bracelet are luxuriously polished to a mirrored finish. The blue arabic dial comes with a slide-rule for mid-air calculation and displays up to 24 hours.