Never pay down a deposit in a bank account until you have met the seller, seen signed a purchase agreement.
No serious private advertisers ask for a down payment before you meet.
Receiving an email with an in-scanned ID does not mean that you have identified the sender. You do this on the spot, when you sign a purchase agreement.
Casio G-Shock GA-700SKE-7AER watch. Good condition, no scratches or damage on the case and glass, used little, any checks. Included: only the watch. Price: 60 euros or equivalent in dinars. Location: city center or meeting by agreement.