318.92.45.79.03.001Ref

The Speedmaster Skywalker X-33, spiritual successor to the 1998 original, was built for astronauts and offers three time zones, three alarms, chronograph/countdown functions, a perpetual calendar, plus mission elapsed and phase elapsed time tracking. Its titanium case spans 45mm. Reference 318.92.45.79.03.001, a 1924-piece limited edition celebrating the Solar Impulse project, stands out with a blue/green dial, matching NATO strap, and blue ceramic bezel insert.