The steel case is 43 mm in diameter, Making it the largest Eberhard watch. Case finish is excellent, the back is held by eight screws, and is engraved with watch name, and the 5 Atm/50 metres water resistance, On the dial, the numerals are coated with luminous paint for night-time legibility. The sundial for continuous seconds at 6 o’clock is one of the features in common with early pilot‘s watches. The crown is knurled and marked with the Eberhard E. The movement is beautifully finished (invisible for the owner,of course), and it Runs at 18,000 vph, with a power reserve of 46 hours. It is an ETA 6498 hand- wound mechanical movement, originally designed for pocket watches.