Inspired by the concept of "Infiniti Red Bull Racing", Casio created a layered edge 3-D shield EF-550D chronograph watch in pursuit of more dynamic styling & higher quality. Edifice EF-550D offers enhanced practicality as a multi-function chronograph to a level no mechanical watch can attain. Its appeal is further enhanced by a face design in the image of the engine cover to match up the requisites of Red Bull Racing. Additionally, the watch comprises of fast-moving retrograde dial at 6 o?clock & a rotary dist. at 3 o?clock to indicate the 24-hour to provide the timepieces an additional value. The appealing attributes of this watch gives fusion of strength merged with beauty to match up the wearer style.
Key Features:

• Comes with tachymeter scale to measure distance based on speed
• Fast-moving retrograde dial at 6 o'clock enhances the beauty of watch
• Solid Stainless steel case and band
• The scratch-resistant mineral glass protects the watch from unsightly damages
• Screw-lock crown ensures that the watch remains waterproof, even at the crown
• Screw locked back connection on the base protects the inner workings of the watch and also provides easy access while changing the battery
• Stopwatch measure elapsed times upto 1/20-second
• Once set, the current date is displayed
• Analog three hands for hour, minute & stopwatch seconds
• Maintains accuracy upto ?20 seconds per month
• Battery supply sufficient energy for approx 2 years