Omega Speedmaster Moonwatch Professional

The Moonwatch Professional carries the manually-wound movement lineage that NASA certified for spacewalks in 1965 and that was worn on the lunar surface in 1969 — this reference reflects the 2021 case and movement update while keeping the hand-wound chronograph architecture intact.

Reference: 310.55.42.50.02.001
Movement: Hand-wound chronograph, Co-Axial Master Chronometer Calibre 3861
Power reserve: approx. 50 hours
Case: 18k Canopus gold with diamond bezel, 42 mm
Water resistance: 50 m
Year: 2026 — Full set