Make an impression with this Eco-Drive Promaster Altichron Polyurethane Strap Men's Watch from Citizen. Go higher with the new Citizen Promaster Altichron. Designed for the avid explorer, features include an altimeter with a range of -300m to 10,000m so whether you are caving or climbing Everest, this watch is the perfect companion. A built in compass will keep you on track and guide you home after a busy day adventuring. Powered by Eco-Drive technology so you'll never need to change the battery, it's styled with a black polyurethane strap embossed with the Promaster logo. With water resistance to 200m, this watch will be with you for a lifetime of adventure. With a statement 46mm stainless steel casing, its face is equipped with anti-reflective mineral crystal glass to aid you in telling the time in difficult lights. Complete with a convenient power reserve indicator, it operates with three-hand J820 eco-drive movement. Its face is completed with subtle Citizen branding and a date window that sits at three o' clock. Eco-Drive technology harnesses the power of light from any natural or artificial light source and converts it into energy. It recharges continuously in any kind of light to run forever, even in the dark. Citizen Eco-Drive watches never need a battery replacement.