Product information: Watch color: black with black shell with black face and white scale, black with black shell with black face with red scale, brown with black shell with black face with yellow scale, brown with gold shell with black face with gold scale, blue with blue shell with blue face and white scale Watch brand: NAVIFORCE Lingxiang Watch model: 9144 Case material: high-quality alloy case Strap material: high-quality leather strap Strap diameter: strap width 2.4 cm, dial diameter 4.5 cm, dial thickness 1.5 cm, strap length 26.0 cm Display type: pointer, number Watch buckle: pin buckle Watch function: calendar, week, dual time, world time, 24-hour system Watch weight: 92 grams