AP Royal Oak 26606ST APS factory Automatic Perpetual Calendar Limited Edition for Unique Timepieces 41mm steel case Blue dial. E50

AP Royal Oak 26606ST APS factory Automatic Perpetual Calendar Limited Edition for Unique Timepieces 41mm steel case Blue dial.  E50 AP Royal Oak 26606ST APS factory Automatic Perpetual Calendar Limited Edition for Unique Timepieces 41mm steel case Blue dial.  E50 AP Royal Oak 26606ST APS factory Automatic Perpetual Calendar Limited Edition for Unique Timepieces 41mm steel case Blue dial.  E50 AP Royal Oak 26606ST APS factory Automatic Perpetual Calendar Limited Edition for Unique Timepieces 41mm steel case Blue dial.  E50 AP Royal Oak 26606ST APS factory Automatic Perpetual Calendar Limited Edition for Unique Timepieces 41mm steel case Blue dial.  E50