Category Audemars Piguet Royal Oak Offshore (new) Model number 15720ST.OO.A009CA.01 Movement Automatic winding material (main) Stainless steel band type Strap type Men's color Gray Exterior features See-through back caliber Cal. 4308 Power reserve 60 hours Case size 42.0mm Case thickness 14.2mm waterproof performance (nominal) 300m function Inner rotating bezel date display
