Case material: Steel; Charge: Manual; Conditions: New Presentation condition : With boxes and all papers; Model: Royal Oak Offshore Price on request Gmtbroker Reference: 26377SK.OO.D002CA.01 this watch features: - satin/brushed finished stainless steel case with polished finished edges & beveled edges. - rubber clad steel hexagon bezel secured in place with 8 polished finished steel screws. - black "waffle" tapestry design dial. - applied silver toned applied index hour markers & hands with luminescent fill. - 1 minute tourbillon located at the 6 o'clock position. - 30 minute chronograph/stop-watch function: *large central seconds counter *30 minute sub-dial counter located at the 3 o'clock position. *the chronograph function is fitted with titanium lever in the mechanism, thus eliminating the phenomenon of the "jumping chronograph hand" when starting the chronograph function. - small seconds sub-dial at the 9 o'clock position. - ap caliber 2889 beats at 21,600 vph & contains 25 jewels with an approximate power reserve of 70 hours. the mainplate & bridges are made of nickel silver - an alloy which resists oxidations & remains stable over long periods of time. also known as: audemars piguet 26377sk.oo.d002ca.01, ap 26377sk.oo.d002ca.01, 26377skood002ca01, 26377sk.00.d002ca.01