Oniss #ON7701-LRG Unisex Oversized Crystal Index Day/Date MOP Dial Blue White Ceramic Watch Imported Precise Swiss Quartz Movement High Tech Ceramic Case and Band, Push Button Butterfly Open Clasp Sapphire Crystal, Date Display, Luminous Hands with Crystal Index Case Size: 42mm Diameter, 10mm Thickness Water Resistant - 30M, Screw Fastened Case Back