One of the original Royal Oak Offshore models, the reference 25721.ST.O.1000ST.01 features a stainless steel case and matching integrated bracelet. The dial is blue.
Sorry, this Watch is no longer part of the brands current collection.
Details here are shown for historical interest only.
Self-winding movement with chronograph complication, first introduced in 1985 [1983]; JLC 889 + Dubois Depraz module.