This watch is from Seiko's Prospex line of watches. It is one of Seiko Upscale watches and is Designed specifically for pilots, travelers and avid watch collectors, this state-of-the-art men's watch makes it easy to calculate speed, distance, fuel consumption and more while on the go. It has a Rotary slide-rule bezel for rapid calculations & conversions of Flight Data. It also haselapsed & split times; 1/5-second increments for up to 1 hour. This is a Solar powered watch and has a power reserve for up to 6 mos. Powered by light energy Hour, minute, and small second hands Chronograph measures up to 60 minutesin 1/5 second increments with split time measurement function. Specs: Date window Rotary slide-rule bezel for rapid calculations & conversions of flight data 12/24-hour formats Chronograph: elapsed & split times; 1/5-second increments for up to 1 hour Power reserve: 6 months CASE & DISPLAY: Dark blue sunray dial LumiBrite hands & markers Silver-tone Arabic numerals Face cover: Hardlex crystal with anti-reflective coating Case & screw-down caseback: stainless steel Bezel: black stainless steel 44-mm diameter 22mm lugs WR: 100m I just put a brand new MilTat Jubilee band on it. Comes with all the links, but is sized for a 7” wrist. $275 cash + shipping or $350 trade No box/ cards Please review all pics as they are part of my description. Thanks for 👀!