Omega Speedmaster X‑33 Marstimer Chronograph 45mm 318.90.45.79.01.003 summer10 is the very first implementation

is the very first implementation of a “stop-work” declutch mechanism to be deployed in combination with an automatic movement

A Spring Drive GMT with a new rock pattern dial

Strap: Brown cow leather with pin buckle

For example

Omega Speedmaster X‑33 Marstimer Chronograph 45mm 318.90.45.79.01.003 summer10 is the very first implementationDesigned to track the rhythms of the red planet Highly precise, thermo compensated, multi functional quartz movement with special functions developed, tested and qualified by the European Space Agency (ESA). Calibrated to power multiple digital and analogue displays. Analogue functions include hours, minutes and seconds. Digital functions track time zones and date on Earth and Mars. The Mars functions can track the rovers mission on the red planet,