Inspired by an iconic design remastered Citizen The Challenge Diver debuted in 1977. It was found on Long Reef Beach in Australian in 1983, the watch was covered in barnacles after being submerged in the Pacific Ocean for years, but the movement inside had remained protected from the seawater and was still ticking. That history has inspired our new Promaster Mechanical Diver and given it the affectionate nickname, Fujitsubo – Japanese for barnacle. The lightweight and scratch-resistant Super Titanium^TM case and bracelet is complemented by a blue dial with embossed hands and a classic green luminous for a vintage feel, a rotating elapsed-time bezel, and an anti-reflective sapphire crystal. Come with automatic movement features enhanced magnetic resistance to protect against external magnetic fields, as well as a 42-hour power reserve and has ISO compliant water resistance up to 200 meters.