One of Omega’s first Master Chronometer movements certified by METAS. Used in Seamaster Aqua Terra and Globemaster.
| Type / Function | Key Specifications |
| Automatic (time + date) | 25,200 vph (3.5 Hz) • 60-hour power reserve • 39 jewels • Twin barrels • Co-Axial escapement • Si14 silicon balance spring • Anti-magnetic > 15,000 Gauss |
