For avid marine sportsmen who value style as much as function, Citizen?s Promaster Sailhawk with Eco-Drive technology is the perfect combination of the two. With a high grade stainless steel case and bracelet, black aluminium bezel and dial, this watch isn?t blending into the background. And with features such as a yacht racing timer, a 99-minute countdown timer, two separate alarms, split lap times, the ability to show the time in 30 cities worldwide, and water resistance up to 200 meters, there is no water-based activity this timepiece can?t handle with ease. Power Save Feature, Summer Time ON / OFF UTC (Universal Time Coordinated), Perpetual Calendar, Dual Time, World Time, 1/100 second Chronograph, Timer, Analogue/Digital Time Display, Yacht Timer, 24 hrs timing, Date, Day & Month Display and Alarm systems add up to Its long list of Its features. Powered by Eco-Drive- the revolutionary light powered movement from Citizen, this watch has the ability to continuously recharge in any light source and can run for a minimum of six months even in the dark without any charge. This revolutionary earth friendly technology eliminates the need to change battery frequently and gives you hassle free timekeeping, never disappointing you when you need it the most. The Eco-Drive movement also come with built-in Insufficient Charge Warning Function and ?Overcharge Prevention Function.