The Citizen Promaster BN2036-14E is perfect for diving enthusiasts and those who love outdoor adventures. With its 200M water resistance, you can wear it while swimming, snorkeling, or diving. The eco-drive technology means it gets power from light, so you don't have to change batteries often. The luminous hands and markers make it easy to read the time in low - light conditions. The watch has an approximate case diameter of 45mm and thickness of 17mm, making it a bold and sturdy accessory for men and women who are active.