Oniss #ON8106-MRG7 Men's White Rose Gold Trim Ceramic Sports Chronograph Watch Swiss Quartz Movement Hi-Tech Ceramic Case and Band, Push Button Butterfly Deployment Clasp Sapphire Crystal, Date Display, Luminous Hands and Markers, Chronograph Function Case Size: 47.5mm Diameter, 10mm Thickness Water Resistant - 30M, 4 Screw Fastened Caseback