Epic X Chrono 44MM Titanium (Black) Color:Titanium (Black) Elevate your style with the Elevate your style with the Rolex Day Date 40 in 18 kt yellow gold Height: 13 It achieves the transformation of Epic X into a sports chronograph with a refined state of mind Minutes and Seconds Chronograph: Central Chronograph Seconds' Hand 30 Minute Counter at 3 o'clock Power Reserve: 48 Hours Frequency: 28'800 vib h (4 Hz) Jewels: 27 Jewels System: Semi Skeleton Column Wheel Chronograph Case Diameter: 44mm Height: 14mm Material: Titanium and Black Ceramic Bezel: Black Ceramic Inner Ring: Black DLC Titanium Crown and Pushers: Black Ceramic Caseback: Transparent Smoked Sapphire Crystal Crystal: Sapphire with Anti Reflective Treatment Water resistance: 100m (10atm) Dial Dial: Gray Crystal with Titanium Details Hands: Rhodium Plated Skeleton and Red Chronograph Hands Strap Bracelet Strap: Honeycomb Rubber Clasp: Titanium Deployment Buckle Limited Edition Individually Numbered Pieces Gender Unisex Origin Switzerland