This Prospex Speedtimer features a dark green dial with a captivating and lustrous radial finish. it inherits the design looks of the classic Seiko chronographs from the 60s and 70s, whilst introducing modern twists.This stainless steel, sapphire glass crystal piece has solar functionality allowing the battery to be continuously charged by any light source. This is paired with a power indicator on the dial, to showcase its 6-month power reserve. In addition, this model has chronograph functionality, giving the ability to measure elapsed time.It has an in-house quartz solar V192 calibre movement with an accuracy of +/- 15 seconds per month, and 100m water resistance.Prospex is a combination of the words ‘Professional’ and ‘Specifications.’ Seiko Prospex timepieces are designed to be practical, reliable and durable; to meet the high standards required in extreme environments for sports lovers and adventure seekers alike.