Citizen Men's Watch - PROMASTER SKY Series Solar-Powered Eco-Drive CA4664-60XProduct Highlights p> Introducing a compact model with a 40mm case diameter that incorporates aviation slide rule functionality. This timepiece offers excellent visibility, ease of operation, and a luxurious shine. Harnessing light from the metallic dial's indial section for power generation, creating a three dimensional effect with the mirror like reflection on the indial's edge and indexes. The lugs and crown guard of the case also feature a wide