Citizen Promaster Dive Automatic watch features a serrated bezel design inspired by a “Fugu," the Japanese name for pufferfish. Featuring a 3-piece, 44mm case, anti-reflective sapphire crystal, and durable black polyurethane strap, the black easy grip aluminum ring surrounds the black dial and luminous hands and markers. This technically advanced watch powered by the motion of your wrist comes in a collector's dive tank box. ISO compliant with a screw-down crown. Water resistant to 200M