Genuine

DEF: Real, authentic, not fake.

EX: You can tell a fake watch from a genuine one by examining them closely.

Merriam-Webster Online Dictionary
genuine (adjective)
1.
a) actually having the or apparent qualities or character - reputed genuine vintage wines
b) actually produced by or proceeding from the source or author - alleged the signature is genuine
c) sincerely and honestly felt or experienced - a deep and genuine love
d) - actual true a genuine improvement
2.
free from or - hypocrisy pretense sincere authentic