, use Calibre 8800 or 8900. These feature a silicon balance spring for superior magnetic resistance.
Modern Seamasters are defined by several high-performance specifications certified by (the Swiss Federal Institute of Metrology): omega seamaster
: Most current models, such as the Seamaster Diver 300M Go to product viewer dialog for this item. , use Calibre 8800 or 8900
: They typically offer a power reserve between 55 and 60 hours and operate at a frequency of 25,200 vph. Detailed Model Features A History: The Evolution of the Omega Seamaster - WatchTime omega seamaster