Oniss #ON612-RB2 Men's Bold Collection Tungsten/Stainless Steel Silicone Band Chronograph Watch Imported Precise Swiss Quartz Movement Stainless Steel and Tungsten Case, Silicone Band Sapphire Crystal, Day/Date Display, Chronograph Function, Luminous Gold Tone Hands and Markers Case Size: 52mm Diameter, 14mm Thickness Water Resistant - 50 M, Screwed Down Caseback