The Longines Maters collection combines aesthetic beauty with high end technology. The round black dial is housed in a stainless steel case of 44mm and is powered with self winding mechanical movement. The dial has a retrograde hands display, a day display at 12 o’ clock, date on the right hand side of the dial and 24 hours seconds time zone on the left side of the dial, moon phase calendar at 6 o’ clock. It is protected with scratch resistant sapphire crystal. The watch has a transparent case back. Water resistant up to 30m, the watch has black alligator leather straps.