The Citizen Eco Drive Promaster Altichron is another great watch from the Eco Drive family. If you have been following our site for awhile you know we are owners and fans of the Eco Drive watches. The Promaster Altichron has a titanium, scratch resistant case that comes with a black dial. Though the dial looks really busy it has some very useful features. One being an altimeter with a measuring range from -1000 to 32,000 feet. It also features a compass and a power reserve indicator. As with all Eco Drive watches it is powered by artificial and natural light sources.
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