Speedmaster Moonwatch ProfessionalOne of the worlds most iconic timepieces Inspired by the 4th generation style worn on the moon 42mm 18K Moonshine gold case paired with a 18K Moonshine gold bracelet Precision and reliability provided by the 3861 calibre movement Omega Master Chronometers are officially certified by METAS THE FIRST WATCH ON THE MOON Famed as the first watch on the moon, the Speedmaster Professional was worn by Buzz Aldrin when he stepped onto the lunar surface in