Brand: Audemars Piguet Model: Royal Oak Offshore Chronograph “Alinghi” Commemorative Edition Reference: 25995IP.OO.1000TI.01 Case & Bezel Case Material: Titanium (lightweight & robust) Bezel: Titanium octagonal Royal Oak Offshore bezel with exposed AP screws Case Diameter: 42 mm Case Thickness: ~14.3 mm (typical for Offshore chronographs) Crystal: Sapphire crystal with anti-reflective coating Case Back: Solid or engraved Titanium case back with Alinghi / America’s Cup commemorative markings Water Resistance: 100 m / 330 ft Movement Movement Type: Automatic self-winding Caliber: AP 2126/2840 or similar Offshore-series chronograph caliber Functions: Hours, minutes, small seconds Chronograph: central chronograph seconds, 30-minute counter, 12-hour counter Date display Power Reserve: Approx. 40–50 hours Dial Dial Color: Grey / anthracite (sporty Offshore style) Dial Pattern: Typically textured or technical finish Hour Markers: Applied white-gold markers with luminous fill Hands: Luminous Royal Oak hands Strap / Bracelet Strap: Rubber or technical strap (sport-ready design) Clasp: Titanium pin buckle or AP folding clasp