BRAND : Audemars Piguet MODEL : Royal Oak Offshore Selfwinding Chronograph MODEL NUMBER : 26238ST.OO.A340CA.01 CASE MATERIAL: Steel WATER RESISTANCE: 100m SIZE: 42mm THICKNESS: 15.2mm DIAL: Blue dial with “Méga Tapisserie” pattern, black counters, arabic numerals hour-markers and white gold Royal Oak hands with luminescent coating, black inner bezel. BRACELET: Blue rubber strap with textile decoration with stainless steel AP pin buckle and interchangeable strap system. Additional black calfskin strap. FUNCTIONS: Flyback chronograph, hours, minutes, small seconds and date. NUMBER OF JEWELS: 40 MECHANISM: CALIBRE 4404, Selfwinding POWER RESERVE: 70h TOTAL DIAMETER: 32mm NUMBER OF PARTS: 433 FREQUENCY: 4 hz 28,800 vph