Marc by Marc Jacobs grey Dial Stainless Steel Watch # MBM3378 (Women Watch). Dial Color : grey. Display Type : Chronograph. Item Shape : Round Shape. Band Material : Stainless Steel. Case Size Thickness : 8 millimetres. Case Size Diameter : 38 millimetres. Band Width : 18 millimetres. Case Material : Stainless Steel. Clasp Type : Push Button Clasp. Crystal : Mineral. Movement Type : Quartz. Calendar Type : Date. Model Number:MBM3378 MBM337 MBM33 MBM3.