Citizen CA4640-50X Chrono Active Sport watch The Citizen CA4640-50X is the perfect watch for the man who loves action and appearance. The combination of the deep green dial, silver-colored stainless steel case and strap gives this watch a powerful and sporty look, without losing its elegant character. Every detail exudes dynamism – from the chronograph subdials to the robust 41 mm case. Powered by Eco-Drive technology, this watch is as energetic as you are: always on the move, never dependent on batteries. + Eco-Drive power: light as fuel With the Citizen Miyota B620 movement, this watch charges itself via daylight or artificial light. Thanks to the 270-day power reserve, you'll never run out of time – even if it's been in a drawer for a while. + Chronograph with character The green dial with luminous accents provides a sporty yet luxurious look. The stopwatch function, 24-hour display and date window make this watch just as