Marc by Marc Jacobs Black Quartz Watch # MBM8663 (Women Watch). Band Color : Black. Dial Color : Black. Display Type : Analog. Item Shape : Round Shape. Band Material : Leather. Case Size Thickness : 8 millimetres. Case Size Diameter : 36 millimetres. Band Width : 10 millimetres. Case Material : Gold Tone Stainless Steel. Clasp Type : Buckle. Bezel Material : Fixed. Bezel Function : Fixed. Crystal : Scratch Resistant Mineral. Water Resistant Depth : 50 meters / 165 feet meters. Movement Type : Quartz. Model Number:MBM8663 MBM866 MBM86 MBM8.