Invicta Blue Quartz Watch # 18306 (Men Watch). Band Color : Blue. Dial Color : Blue. Display Type : Analog. Item Shape : Round Shape. Band Material : Leather. Case Size Thickness : 21 millimetres. Case Size Diameter : 53.7 millimetres. Band Width : 26 millimetres. Case Material : Black Ion-plated Stainless Steel. Clasp Type : Tang. Bezel Material : Black Ion-plated. Bezel Function : Black Ion-plated. Crystal : Flame Fusion. Water Resistant Depth : 1000 meters / 3300 feet meters. Movement Type : Quartz. Calendar Type : Date display between 4 and 5 o'clock positions. Model Number:18306 1830 183 18.