Omega caliber 9904
Automatic movement with column-wheel operated chronograph, moonphase indicator and date, introduced in 2016.
Baed on caliber 9300, the 9904 features a moonphase indicator at 6:00. The date is now shown through a subdial at 9:00. This movement furthermore is magnetic resistant to over 15,000 gauss, features a silicon SI14 balance spring and a free sprung balance, Omega's 3-level co-axial escapement and 2 serially mounted barrels providing a power reserve of 60 hours.