Oniss #ON8880-M1 Men's Black C Swiss Ceramic Collection Collection Watch Precise Swiss Quartz Movement Ceramic Case and Band, Stainless Steel Butterfly Connecting Clasp Sapphire Crystal, Day/Date Display, Stainless Steel Screw Fasatened Caseback Push Button Deployment Clasp Water Resistant - 30M, Case Size: 35mm Diameter, 7mm Thickness