Case material: Steel; Charge: Automatic; Conditions: Never worn Presentation condition : With boxes and all papers; Model: Royal Oak Offshore Price on request Gmtbroker Reference: 25721ST.OO.1000ST.07 stainless steel case with a stainless steel bracelet. fixed stainless steel bezel. silver dial with luminous hands and arabic numeral hour markers. minute markers around the outer rim. tachymeter around the inner bezel. dial type: analog. luminescent hands and markers. date display at the 3 o'clock position. chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. automatic movement. scratch resistant sapphire crystal. screw down crown. solid case back. case diameter: 42 mm. octagon case shape. band width: 20.3 mm. band length: 8 inches. hidden folding clasp. water resistant at 100 meters / 330 feet. functions: chronograph, date, hour, minute, second. luxury watch style. audemars piguet royal oak offshore chronograph silver dial. also known as: audemars piguet 25721st.oo.1000st.07, 25721st.oo.1000st.07.a, 25721st.oo.1000st.07, 25721stoo1000st07, 25721stoo1000st07a, 25721st.00.1000st.07