fashion men's mechanical watch movement automatic winding sapphire face silver square watch diameter 39.8mm, Slivery;brown

silver case 316l stainless steel interior literally blue surface sapphire wear-resistant glass with calendar design at 6 o'clock the level craftsmanship of the overall watch is equipped with a high-quality permanent and stable automatic movement with superior performance and accurate travel time. case diameter 39.8x47.5x9.08mm equipped with 316l stainless steel strap, high-quality butterfly buckle design middle button inlaid with blue spar the dial and the dial are plated in blue with a unique design. the connection between the strap and the dial is perfect for a better fit on the wrist and has strong waterproof performance.syi