Case size: 39 mm Thickness: Super thin as you can see in images Front Crystal: Sapphire Movement: 1:1 Cloned Audemars Piguet 2121 Movement Replicated exactly like real. Lock: Same as in pictures Dial Color : Blue Material Used: 904L Stainless steel with yellow gold. This High End Quality 1:1 Super Copy Royal oak Ref 15202 Shines and functions like real, there is no way a naked eye could tell it apart from the real.