The Citizen Promaster BN2031-85E is a great watch for divers and outdoor enthusiasts. With its 200M water resistance, you can wear it while swimming, snorkeling, or diving. The luminous hands and markers make it easy to read in low light conditions. It has an approximate case diameter of 46.1mm and thickness of 16.4mm. This watch is suitable for anyone who loves water sports or needs a reliable and stylish timepiece.