A powerful timepiece with bold looks to match, the mens citizen eco drive a.t chronograph stainless steel watch is a strong performer.radio controlled timing means that the watch is always bang on time, and it’s powered by eco drive technology, so it never needs a battery. It’s water resistant to 200 metres, so it can handle being worn while you’re scuba diving or swimming in deep water, and the three dial chronograph tracks the time and date. There’s also a tachymeter on the bezel for precise speed and distance calculations.the hardwearing stainless steel case houses a black dial with white hour baton markers and luminous hands, and there’s a useful date window at 4 o’clock. Blue accents give a splash of colour, and the black metal strap completes the tough look. A feature packed watch that is up to the job.water resistant to 200m, so great for swimming and water sportseco drive recharges the watch in any light condition, so no need for costly battery replacementschronograph function for elapsed time measurement, adding functionality