Royal Oak Chrono 26331 SS APSF 1:1 Best Edition Blue Dial Silver Subdial On SS Bracelet A2385

Size 41mm x 11mm (exactly the same as genuine) 

Movement APSF custom Dandong 2385 chronograph automatic movement at 28800vph,  same function as genuine and the date is instant change.

Functions Hours, minutes, sub-seconds and date display; chronograph.

Case Solid 316L stainless steel case

Crystal Scratch-proof sapphire crystal with AR coating

Dial Blue Dial Silver Subdial

Bezel Solid 316L stainless steel brushed/polished bezel

Strap Solid 316L stainless steel bracelet

Clasp Deployant clasp

Water resistance Yes