Oniss #ON609-LRG Petite Size Unique Collection MOP Dial White Ceramic Swiss Quartz Watch Precise Swiss Quartz Movement High Tech Ceramic Case and Band, Push Button Butterfly Open Clasp Sapphire Crystal, Day/Date Display, MOP Dial, Silver Tone Hands and Markers Case Size: 38mm Diameter, 10mm Thickness Water Resistant - 30M, 4 Screwed Stainless Steel Caseback