The Altichron was first introduced to the Promaster collection in 1989, it is now updated with the latest technologies and a new case design.
The case, in titanium, measures 51.5mm. It has an AR-coated sapphire crystal and it is water resistant to 200 meters.
Movement is the Japanese solar powered Citizen in-house caliber Eco-Drive J280 with altimeter (in feet or meters), electronic compass and power reserve indicator. Its sensors for electronic compass and altimeter permit ultra-precise measurements of direction, depth and height. The height-measuring capability reaches as much as 10,000 meters, higher than any mountain on the planet, and as deep as 300 meters below sea level. At the push of a single button, the watch displays measurements of depth, height or direction simultaneously with the time.
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