Self winding movement with co axial escapement for greater precision stability and durability free sprung balance 2 barrels mounted in series automatic winding in both directions to reduce winding time visible bridges and the oscillating mass are decorated with exclusive geneva waves in arabesquecaliber omega 8500 self winding movement with co axial escapement for greater precision stability and durability free sprung balance 2 barrels mounted in series automatic winding in both dire