Oniss #ON621-MRG Men's White Ceramic Sports Chronograph Watch Swiss Made ISA Quartz Chronograph Movement Hi-Tech Ceramic Case and Band, Stainless Steel Push Button Butterfly Connecting Clasp Scratch Resistant Sapphire Crystal, Screw Down Crown, Screw Fasten Stainless Steel Caseback Chronograph Functions, Date Display, Uni Directional Turning Bezel Water Resistant - 50M, Case Size: 42mm Diameter excluding crown, 8mm Thickness