Muhle Glashutte's Marinus Chronosport has a 48 hour power reserve, stainless steel case with black DLC and is limited to 250 pieces. The 44mm Terranaut II Trail has an SW 220-1 automatic movement with Muehlespecific
regulation, woodpecker neck regulation and the brand's rotor, with a 38 hour power reserve. The Terranaut I Trail is a chronograph with a rotating triangle that gives the watch its pulse rate and some character. The Terranaut I. The Terrasport I Chronograph is said to be based on the design of the classic Glashutte pilot's watches of the first half of the 20th century.