The alloy Duratect TIC, Super Titanium, forms the basis for the bracelet and the case of the Citizen men's wristwatch BM7430-89E. Harder than stainless steel, but much lighter, this metal alloy developed especially for Citizen shows up. The designers gave this men's watch with the black dial as well as differently designed, polished and polished elements a very unique characteristic, which shows itself mainly through a self-contained form. The Caliber E111, which works in the clock, ensures precision in timekeeping, the trend-setting Eco Drive technology for clean, solar power generation.