?<br /><br /><br /><br /><b>Brand</b><br />Audemars Piguet<br /><br /><br /><b>Model number</b><br />15204OR.OO.1240OR.01<br /><br /><br /><b>Gender</b><br />Mens<br /><br /><br /><b>Series</b><br />Royal Oak<br /><br /><br /><b>Case </b><br />18k Rose gold case, glareproofed sapphire crystal and caseback<br /><br /><br />Functions<br />Hours, minutes, center seconds, date<br /><br /><br /><b>Case width</b><br />39mm<br /><br /><br /><b>Case thickness</b><br />8.04mm<br /><br /><br /><b>Water resistance</b><br />50m<br /><br /><br /><b>Dial</b><br />Slate grey dial, Rose gold applied hour-markers and Royal Oak hands with luminescent coating<br /><br /><br /><b>Bracelet</b><br />18k Rose gold bracelet with AP folding clasp<br /><br /><br />Direction of automatic winding<br />Bidirectional<br /><br /><br />Number of parts<br />248<br /><br /><br /><b>Power reserve</b><br />40h<br /><br /><br />Number of jewels<br />36<br /><br /><br />Frequency of balance wheel<br />2,75 (=19'800 vibrations/h) Hz<br /><br /><br />Type of balance<br />With Variable inertia blocks<br /><br /><br />Functions<br />Hours/MinutesAudemars Piguet Royal Oak Openworked Extra-Thin 39mm 18K Rose gold Watch 15204OR.OO.1240OR.01<br />39mm 18K Rose gold case, 8.04mm thick, sapphire back, 18K Rose gold bezel, sapphire crystal with glare-proof, slate grey dial with pink gold applied hour-markers and royal oak hands with luminescent coating, caliber 5122 automatic movement with hours, minutes, approximately 40 hours of power reserve, 18K Rose gold bracelet, AP folding buckle. Water resistant to 50 meters.