The Eterna Kontiki Limited Edition 1973 was introduced in 2010 and features a design inspired by Eterna's iconic 1970's Kontiki dive watch. Its case measures 44mm across which makes it slightly larger than its source of inspiration - otherwise the looks are a rather faithful representation of the original. The Eterna Super Kontiki 1973.41.41.1230 is a limited edition of 1973 pieces.