Citizen Promaster Altichron – Eco-Drive Altimeter & Compass
The Promaster Altichron is an adventure watch designed for outdoor expeditions. It combines the functions of an altimeter (from -300 m to 10,000 m) and an electronic compass, all with an analog display. Powered by Eco-Drive technology, it recharges using light, eliminating the need to change a battery.
Its robust case (46.7 mm in diameter, approximately 16.4 mm thick) and water resistance up to 200 m make it a reliable tool in extreme conditions. Whether climbing a mountain or navigating unfamiliar terrain, the Altichron is made for those who want a practical and structured watch.
Technical specifications
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Movement: Eco-Drive J280, powered by light
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Functions: altimeter (−300 m to 10,000 m), electronic compass, date
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Case: steel or titanium, sometimes with DLC coating
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Glass: sapphire/crystal with anti-reflective coating depending on the version
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