Specifications of the Royal Oak Offshore 5407ST.OO.1220ST.01:
Case: 42mm Rose gold 
Bezel: Black ceramic
Dial: Black with white applied hour markers and hands
Movement: Audemars Piguet Calibre 3132
Power reserve: 45 hours
Strap: 904L  stainless steel folding clasp
Water resistance: 50 meters