BRAND : Audemars Piguet MODEL : Royal Oak Selfwinding Chronograph MODEL NUMBER : 26240ST.OO.1320ST.07 CASE MATERIAL: Stainless steel WATER RESISTANCE: 50 m SIZE: 41 mm DIAL: Silver-toned dial with “Grande Tapisserie” pattern, silver-toned counters, white gold applied hour-markers and Royal Oak hands with luminescent coating BRACELETL: Stainless steel bracelet with AP folding clasp FUNCTIONS: Flyback chronograph, hours, minutes, small seconds and date NUMBER OF JEWELS: 40 MECHANISM: Selfwinding CALIBRE 4401 POWER RESERVE: 70 h TOTAL DIAMETER: 32 mm NUMBER OF PARTS: 381 FREQUENCY: 4 hz 28,800 vph THICKNESS: 6.8 mm