The case, in titanium, measures 45mm. It features a ceramic bezel ring with a chromium nitride scale coated with white SuperLuminova. It has an AR-coated sapphire crystal and it is water resistant to 30 meters.
The multi-function quartz chronograph movement, proprietary to ETA, displays digital elements such as the hour, minute and seconds of up to three different time zones, three alarms, chronograph and countdown functions, and a perpetual calendar with day, date, month, year and week number indications. It also features mission elapsed time (MET) and phase elapsed time (PET) for space missions.
It comes on a titanium bracelet. It has been tested and certified by the European Space Agency (ESA) and was developed based on an ESA patent filed by astronaut Jean-François Clervoy.
