Gentlemen's Sports Split Time Chronograph with Tachymeter function and Slide Rule. Pilots can use the slide rule to get estimates of important information such as flight time and fuel consumption. Features 8 single cut diamonds & 3 eye chronograph display. The stainless steel head is finished with polished Silver or IPG (Gold) plate for a stunning look. Genuine leather strap with personalised IPG plated buckle. Every Air Traveller is carefully engraved with it's own unique serial number and presented in it's own display case. A diamond authenticity certificate is provided for complete peace of mind. Case diameter 46mm. Water resistance 30m/suitable for light splashes only (avoid water).