This is a very interesting project by Hublot. The objective of making a very complicated mechanical piece the size of a wristwatch shows the capability of the designers in Hublot. The movement contains 295 components and 7 complications. All of the indications are found on the dial side.
The Antikythera SunMoon includes both a solar and a lunar calendar, as well as an indication showing the sidereal position of the Sun and the Moon. This means that, as well as being able to read the time (hours and minutes), the wearer of this watch can ascertain, for a given day and with extreme accuracy, the phase of the Moon, or more specifically its shape in the sky, the name of the constellation behind the Moon and the time required for the Moon to pass through a constellation. For the same day, the watch shows the constellation located behind the Sun and indicates the time required for the Sun to pass through a constellation. The piece is completed by a flying tourbillon (without ball bearing) which rotates once every minute toindicate the seconds, with the hours and minutes shown by traditional hands at the centre of the movement on the dial side.