Seiko Prospex Speedtimer Solar Chronograph - SSC939Designed for enthusiasts who value precision and performance, this Seiko incorporates racing heritage into a modern chronograph form. The gray sunray finish dial sits beneath a navy blue tachymeter bezel, evoking grand touring cars of the 1970s and offering timing utility with clarity. Solar power ensures youll never need a battery change while the chronograph measures up to 60 minutes in 1 5 second increments and includes split time functionality.