Wryst is creating a new black round classic style. The Ultimate offers 200 meters of water-resistance, sapphire crystal, durable black DLC protection, and a world-class Swiss Made signature. The ULTIMATE collection is produced in small series of only 99 pieces. The 45mm bold looking Ultimates have CNC deep engravings "WRYST" on both sides of the case. All the references Black Scratch Resistant Watch ES20, Military Watches Wryst ES30, Best Fitness Watch Wryst ES40, and Red and Black Carbon Fiber Watch have a screw-down crown, square buckle, and casing protected by DLC* technology (*Diamond-Like Carbon). This hard protection is the world's most resistant. Wryst Swiss brand offers quality tough sportswear in small series.