Classic and discreet, this is how you can describe the design of this model. It is because the back is covered in black Nile crocodile leather, the back inserts are covered with an unique hand-engraved pattern and are plated with 24K gold. Side panels are also hand-engraved. Apple logo in 18k gold and hand-engraved. You can also appreciate the jewelry of the phone by plating the phone case and buttons with 24K gold plating. The phone is unlocked for all networks around the world and comes complete with its own unique wooden box and Certificate of Authenticity.