Aerodyn Duo uses a mechanical and automatic movement with a modified version of the ETA 2892/A2 caliber that is exclusively for Dubey & Schaldenbrand. It has 23 jewels in its movement. The main functions available are hour, minute, second, date, second time zone, and 24 hours clarification

The two-piece case is in tonneau-shape and made of either special stainless steel with a 316L standard used commonly in surgical equipments or 18k rose gold. It has a geometrically curved case resembling 1930s style with a dimension of 44mm x 33mm and a thickness of 11.65mm.
The sapphire crystal is also curved and its back is fastened by screws. Its crown is differentiated in its winding for all its function on the basis of its clicks.
The first click allows the setting of the second time zone and correction of date. The second click is to set the time correction. Its water resistance is up to 30m.
The dial is brushed and available in either black, silver, blue or rose gold. Its Arabic numerals are gilded and the printed railway minute track has luminescent dots against each Arabic numeral.
It uses Sports styled hands in luminescent yellow for silver, black and pink gold dials. The blue dial has white luminescent hands. It has a date indication at 6, 24 hours at 9, second time zone with double hands at 12.
It uses crocodile leather with matching metal fold over buckle.
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