The right hemisphere on both dials show a large part of Asia identified as TARTARY.
“Tartary (Latin: Tartaria) or Great Tartary (Latin: Tartaria Magna) was a name used from the Middle Ages until the twentieth century to designate the great tract of northern and central Asia stretching from the Caspian Sea and the Ural Mountains to the Pacific Ocean, settled mostly by Turko-Mongol peoples after the Mongol invasion and the subsequent Turkic migrations.” (taken from Wikipedia)