Citizens ECO-Drive watch, can be worn as casual or dress. Full leather brown wrist strap with 1 fixed & 1 movable strap retention loop. Time & Date, rectangular low profile, water resistant, light weight. There is no battery, the eco system charges and recharges the battery via light. After a "full" charge it can last upto 6 months in continuous darkness. Simply don't wear it enough to keep. O.B.O