Seiko Prospex Speedtimer Solar Chronograph - SFJ003This Speedtimer suits active days and casual evenings effortlessly. Its black dial with inset subdials offers clear timing at a glance, while the hammer style pushers feel easy to use even on the move. The curved sapphire crystal stays readable outdoors, and the bracelet feels secure without being stiff. Powered by light and offering up to six months of running time, it gives you reliable performance without needing battery changes. Features Solar