What specific historical event cemented the Speedmaster's reputation as an indispensable hero rather than just qualified equipment?

Answer

The near-disaster and manual course correction during Apollo 13 in 1970.

The Apollo 13 incident provided unplanned, real-world proof when the watch, acting as a backup timer, saved the crew by allowing precise timing of a critical engine burn after primary systems failed.

What specific historical event cemented the Speedmaster's reputation as an indispensable hero rather than just qualified equipment?

#Videos

Why NASA chose the Speedmaster - Best explanation you will hear

AerospaceNASAselectionspace agencyOmega