men's mechanical watch 39mm case asia 2813 improved explorer automatic winding silver dial 116900/216570/ss digital luminous waterproof, Slivery;brown

316l high-quality steel, silver white, the case is polished finely and brightly, and the surface is made of scratch resistant sapphire glass. the case has two sizes: 40mm and 42mm the watch case is equipped with a high-quality automatic movement, which is easy to move, stable in operation and guaranteed for more than two years the case is equipped with a black letter. the three hands work respectively, and each scale number will display a strong luminous light in the dark. the overall design of the appearance of the case is perfectly coordinated. the strap is equipped with a hidden adjustable folding clasp, which is flexible and convenient to wear. the button in the middle of the watch buckle can do all kinds of functions of all hands. the 3 o'clock position is a small concave convex shape of the calendar, with perfect and unique design.syi