LeJour Yachtingraf Travel and later set a world

and later set a world record for flying 722 feet in 21

made entirely in the United States

Omega used two case makers for the Speedmaster--the aforementioned CB and Huguenin Frères

for all intents and purposes

with the backs of their asymmetrical 40mm steel cases stamped "6BB-944-3306" (6BB signifying that they were property of the RAF

LeJour Yachtingraf Travel and later set a world1961, JeanRichard SAparent company of Aquastarfiled a patent for a unique type of watch. Frdric Robert, the founder of Aquastar as well as one of its chief designers, took a Felsa 4000N movement and modified it to display a five minute counter, located on a disc on top of the movement. Robert then added a third wheel and connected to a pusher; once depressed, the pusher would reset the seconds hand to zero and start a countdown, visible on the disc.