Citizen Promaster Marine. This is an automatic watch. The movement winds the spring with the moving on your wrist. No batteries needed. The watch is waterproof till 200 Mtr. (20ATM) The dial is black and the diving bezel is green. The bezel itself is made out of stainless steel. The insert is made out of aluminium. The bezel only turns anti clockwise as it should with a real diving watch. The watchcase is also stainless steel. The crown is a srew down type to assure the watch is waterproof. The watch has a mineral glass. You can choose to buy this watch on a rubber strap, a metal bracelet or with both (1 watch in a set with 2 bracelets) The watch is new. It has 2 years guarantee on it.