The difference between parfum and eau de parfum is a slightly lower perfume concentration. Maybe this could be a nice gift for your father?
See everything within Chanel Allure
From The Fragrance Shop
CHANEL ALLURE HOMME SPORT EAU EXTREME Eau De Parfum 100ml
Selfridges
Chanel Allure Homme Sport Eau ExtrÊme Spray 100ml
Notino
Chanel Allure Homme Sport Eau Extreme eau de parfum for men 100 ml