BRAND : Audemars Piguet MODEL : Royal Oak MODEL NUMBER : 26240ST.OO.1320ST.02 CASE MATERIAL: Steel WATER RESISTANCE: 50 m SIZE: 41 mm DIAL: Black dial with “Grande Tapisserie” pattern, black counters, white gold applied hour-markers and Royal Oak hands with luminescent coating. BRACELET: Stainless steel bracelet with AP folding clasp. FUNCTIONS: Flyback chronograph, hours, minutes, small seconds and date. NUMBER OF JEWELS: 40 MECHANISM: Selfwinding TOTAL DIAMETER: 32 mm NUMBER OF PARTS: 381 FREQUENCY: 4 hz 28,800 vph