Cool Water Mera by Davidoff 100ml Eau De Toilette Spray for Women. Discover the new Cool Water Limited Edition, a bright and refreshing fragrance that captures both a sensual beauty and a charismatic power. Davidoff Cool Water Mera Collector Edition is a fresh-floral fragrance. It begins with a spirited blend of flower petals and green mandarin. The heart captures magnolia for a beautiful floral note filtering into a deeper base of tuberose.