That watch would be the Omega Speedmaster X-33 – the brand's modern evolution of the original Moonwatch. It debuted in 1998 and became standard issue for astronauts after going
link through a lengthy prototyping phase. This meant giving the watch directly to
link astronauts and pilots to put the watch through
link its paces and provide feedback on ways to improve it and get it ready for duty (one such tester was David Williams, who appeared on Talking Watches with our own Cole Pennington).