Citizen CA4660-61A Navihawk Eco-Drive watch The Citizen CA4660-61A Navihawk Eco-Drive is a unique men's watch from the Promaster Sky collection by Citizen. A technically excellent Navihawk with a state-of-the-art Eco-Drive movement that charges you in the light. Once charged, this watch will last up to 270 days before shutting down. This cool clock has a stopwatch, battery discharge indicator, 24-hour display and anti-reflective sapphire glass. With a water resistance of up to 200 meters, you can do anything you want underwater with this watch. On the ring around the dial, you can convert various units to the metric system. Pros & cons + Eco-Drive: energy from light.+ Anti-reflective sapphire glass.+ Chronograph, tachymeter and conversion function. - No eternal calendar.- No alarm function. Manual of the Citizen CA4660-61A Navihawk This watch contains a Citizen Miyota B620 movement, find the manual here. Shortenable link band The