View Omega Calibre 2500 Power Reserve US. The omega 2500 automatic caliber was introduced in 1999 and is the first omega movement that reverts back to george daniel's invention of the the two mainspring barrels enable a power reserve of 60 hours, however it is important to emphasize that the watch hardly loses any precision even. Home > omega movements & calibers > omega 2500.
28800, later changed to 25200 bph.
Discuss watch repair issues and learn more at www. On the back case there is the number 85854642. Hauteur sur mouvement höhe auf uhrwerk height on movement. Discuss watch repair issues and learn more at www.