All three versions are also presented without a date display and
link timekeeping is managed by Omega's Master Co-Axial
link 8401 automatic movement. Magnetically resistant to 15,000 A/m and ticking at 25,200 vph, the 8401 features Omega's Co-Axial escapement, 60 hours of power reserve, and can
link be seen via wide display caseback.