Brand: Audemars Piguet Model: Royal Oak Offshore Reference: 26067BC.ZZ.D002CR.01 Case Material: 18K white gold Case Diameter: 42 mm Case Thickness: ~14.2 mm (typical for Offshore chronographs) Movement: Automatic self-winding Caliber: AP 3126/3840 (automatic with integrated chronograph module) Functions: Hours, minutes, small seconds Chronograph: central chronograph seconds, 30-minute counter, 12-hour counter Date display Power Reserve: Approx. 50 hours Dial: Diamond-set dial (pavé) with applied hour markers and luminous hands Bezel: White gold octagonal Royal Oak Offshore bezel with exposed screws Crystal: Sapphire crystal with anti-reflective treatment Case Back: Sapphire exhibition back Bracelet / Strap: Usually leather-finish or rubber strap with white-gold buckle Water Resistance: 100 m / 330 ft