Royal Oak Offshore Indigo Blue

Size: 42mm x 16mm
Movement: Asian 7750 automatic chronograph movement at 28800 vph with second at 12 and working regulator
Functions: Hours, minutes, sub-seconds, date and chronograph
Case: Solid 316L stainless steel case
Crystal: Scratch-proof sapphire crystal with colorless anti-reflection coating (Swiss standard, single-sided, same as genuine)
Dial: Blue dial
Bezel: Solid 316L stainless steel bezel
Strap: Blue rubber strap with tang buckle
Water resistance: <50 Meters