Citizen Skyhawk U600-S041341The Citizen U600 is a high functionality, solar powered (Eco Drive) movement used primarily in Skyhawk A T radio controlled watches. It features atomic timekeeping across 43 cities, a 1 100 second chronograph, perpetual calendar, and multiple alarms. It is known for reliability and auto updating time at night. Specifications SKU 02212026131129 Item Wristwatch Brand Citizen Model Skyhawk Reference U600 S041341 Year 2007 Dial Color Black Case Material