CALVIN KLEIN ETERNITY EDP 100ML

The genuine designer fragrance launched in 1988, created by perfumer Sophia Grojsman.

Longevity: Generally reported as moderate to good. Many users say about 10-12 hours on skin. 

Projection: Moderate. It projects reasonably in early hours, then settles closer to the skin. 

So if you buy the original and it’s genuine, you can expect “all day wear” in casual sense (not “fills a room for 12 hours”).