Sporty, retro-style touches meet quartz reliability in this Tsuno Chronograph from Citizen. 43mm stainless steel case and mineral crystal Non-rotating bezel and pump-style pushers White dial with triple-register chronograph, date window, and black and red accents Sustainably ...Sporty, retro-style touches meet quartz reliability in this Tsuno Chronograph from Citizen. 43mm stainless steel case and mineral crystal Non-rotating bezel and pump-style pushers White dial with triple-register chronograph, date window, and black and red accents Sustainably powered by any light with proprietary Eco-Drive technology that never needs a battery Stainless steel bracelet; push-button fold-over clasp 100-meter water resistance Caliber 0510