Samsung Middle East sent me their Samsung Gear S2 Classic Smart Watch for review. They chose for me the brown, leather strap version (aka Classic). I took out the smartwatch from the box, charged it with the wireless charger included. Took 2+ hours for a full charge. I connected it to my Samsung Galaxy Note 5 via Bluetooth. The connection was established smoothly, although I had to install / update the Gear Manager on my phone which took ~10-15 minutes.
Tip: when I tried to connect the Gear S2 to another mobile phone, I failed miserably. I had to ‘factory-reset’ the Gear S2 before I could connect it to another phone.