The Classic Fusion 520.CM.7170.CM from Hublot is a must-have for Hublot enthusiasts who are building a classic watch collection. The 520.CM.7170.CM has a round-shaped Ceramic case that is 45MM in diameter with a scratch-resistant sapphire crystal with a fixed ceramic bezel. It has a blue dial with two sub-dials and polished index hour markers. The 520.CM.7170.CM is powered by the self-winding HUB1143 caliber which has chronograph and date functionality with a power reserve of 42 hours. The case is paired with a black ceramic bracelet with a ceramic fold-over clasp. It has a water resistance of 50 meters (165 feet).