A business-style mechanical wristwatch with a transparent skeleton dial and GMT function. The case measures about 1.6 in in diameter and 0.5 in thick, with a leather band approximately 9.4 in long and 0.8 in wide; the case is stainless steel and the dial window is glass. This T-WINNER WIN358-5 is hand-wind mechanical, fastens with a buckle and is not water-resistant.