TW Steel grey Dial Calendar Watch # TW420 (Women Watch). Band Color : grey. Dial Color : grey. Display Type : Analog. Item Shape : Round Shape. Band Material : Leather. Case Size Thickness : 12 millimetres. BandLength : Men Standard. Case Size Diameter : 45 millimetres. Band Width : 22 millimetres. Case Material : Stainless Steel. Clasp Type : Buckle. Crystal : Mineral. Movement Type : Quartz. Calendar Type : Date. Model Number:TW420 TW42 TW4 TW.