Mens Porsche 550 Spyder Automobile DNA Collection White Dial Black Strap 06A Outrace the competition with the historic Porsche 550 Spyder 1955 Automotive DNA timepiece from XO Retro! Incorporating the metal "DNA" from a 1955 Porsche 550 Spyder sports car A coin edged push and pull crown puts the time at your fingertips. The DiamondFX crystal features a diamond/sapphire coating to prevent scratches and eighteen layers of UV blocking coating to protect the dial from the sun's damaging rays Roman numerals at the even hour positions with round index markers at all odd hour positions.