Citizen's Promaster Land watch is perfect for high-speed adventurers and has all the tools for the toughest terrain. Featuring a silver-tone 45mm case and blue dial, this Citizen Promaster watch includes advanced features such as atomic timekeeping with synchronized time adjustment in 24 cities worldwide, power reserve indicator, luminous hands and markers, an alarm, a chronograph and a perpetual calendar. This timepiece is powered by Eco-Drive – the sustainable way to power your watch – with light. No batteries required.