The Royal Oak Chronograph follows the classic design of the original Royal Oak, with the added functionality of a chronograph complication. The case measures 39mm across, housing the self-winding caliber 2385 movement. A larger version was introduced in 2012. Reference 26557OR.ZZ.D098CR.01 has a pink gold case with diamond-set bezel.
Self-winding movement with integrated column-wheel operated chronograph mechanism with date.