This second-generation Speedmaster (which debuted in 1957 ... Under the dial beats the Co-Axial Master Chronometer Calibre ...

the watch is powered by the Co-Axial Master Chronometer Calibre 3861 – the most up-to-date version of the legendary Calibre 321 that was trusted by astronauts on the moon. The lacquered white dial ...

The perfect watch doesn’t exist, but I feel the OMEGA Speedmaster Professional does make a strong argument for one. It’s the first watch on the moon, looks great, has a robust movement ...