Eternity Reflections perfume by Calvin Klein is a feminine fragrance. Although Calvin Klein markets this perfume to women, its floral fruity family is popular with both men and women, so men who appreciate the scent notes can enjoy this fragrance as well. A: EDP fragrances like Calvin Klein Eternity Reflections perfume have long-lasting longevity. Expect to wear this fragrance for up to six hours without reapplication. However, your initial application can impact the perfume’s strength and longevity. Therefore, you can lighten the scent by spraying it in the air and walking through the mist or strengthen it by applying it to all your pulse points and the warmer areas of your body.