Krysterna CrystalsKrysterna is proprietary to Stührling Original and refers to the crystals that are used in its timepieces. Krysterna stems from the eyewear industry and has more strength over a spread surface area than sapphire. Krysterna crystals are more scratch resistant than mineral crystals and more shatter resistant than sapphire crystals.The Prestige Family is a special segment of Stuhrling Prestige, which includes the highest quality timepieces that are manufactured in Switzerland; every member of this incredible collection is Swiss made! Using the finest equipment and materials, these watches are assembled, inspected, and certified by master Swiss watchmakers.Summary of Features• Movement: Swiss Quartz Chronograph (Ronda Startech 5030.D) • Complications: Add and Split Function Chronograph with Seconds, Minutes & 12 Hour Counter & Quick-Set Date Complication • Dial: Carbon Fiber Dial • Hands: Skeletonized Obelisk-Style Hands with Luminous TipsDiagrams of Features