The Jules Audemars 26153PT.OO.D028CR.01 Chronometer has a platinum case . The dial at 12 is white enamel; the small seconds dial is white lacquered. This watch is pwoered by the hand-wound caliber 2908, which runs a proprietary escapement at a fast-paced 6Hz.
Over-sized, hand-wound hi-frequency movement; special AP balance and lubrication free direct impulse escapement. Twin barrels (parallel) for 90 hours of power reserve.