15456OR.ZG.1251OR.01Ref

First appearing in 2012, the Royal Oak 15450 has a 37mm case, 2mm smaller than the 15300 and 2mm smaller than the 15400 released the same year. It runs on the self-winding caliber 3120, which can be viewed through the case back. The 2017 reference 15456OR.ZG.1251OR.01 is defined by its rose gold case and bracelet, both finished with a cashmere pattern.