This watch is inspired by the flowing lines of the 1969 worlds first automatic chronograph watch. The version is conveniently solar-powered and harvests power from both natural and artificial light. Prospex is a combination of the wordsProfessionalandSpecifications.This series is designed to be practical, reliable and durable within extreme or everyday environments, for experts, sports lovers and adventure seekers alike. This watch is inspired by the flowing lines of the 1969 worlds first automatic chronograph watch. The version is conveniently solar-powered and harvests power from both natural and artificial light. Prospex is a combination of the wordsProfessionalandSpecifications.This series is designed to be practical, reliable and durable within extreme or everyday environments, for experts, sports lovers and adventure seekers alike. Powered by a Quartz Solar. Presented on a stainless-steel bracelet fastened with a push button deployment buckle.