This is an excellent mechanical watch， you don't have to worry about changing battery with it， because it is a self-winding one. Really an environmental friendly product.<br><br><strong>Features:</strong><br>A good quality， well-made mechanical watch.<br>Daily life water resistant (but not for showering， swimming and diving).<br>It is a self-winding mechanical watch， which is more environmental friendly.<br>It has some weight and feel sturdy， nice present for your boyfriend or husband.<br>Two small windows to display week(at 9 o'clock) and month(at 3 o'clock)， and also has date displayed in 12 o'clock.<br><br><strong>Specifications:</strong><br>Brand: FORSINING<br>Item Type: Wristwatch<br>Style: Casual &amp; Fashion<br>Gender: Man<br>Clasp Type: Pin buckle<br>Color: Gold+Black / Gold+White / Silver+Black / Silver+White (Optional)<br>Dial Display: Analog<br>Dial Shape: Round<br>Band Material: Silicone<br>Surface Material: Glass<br>Watchcase Material: Alloy<br>Movement Type: Self-winding<br>Water-resistant Level: Daily life water-resistant<br>Dial Diameter: Approx. 50mm / 1.97in<br>Dial Thickness: Approx. 14mm / 0.55in<br>Watchband Width: Approx. 22mm / 0.86in<br>Unfolded Length: Approx. 265mm / 10.43in<br>Item Weight: Approx. 125g / 4.41oz<br>Box Weight: Approx. 35g / 1.23oz<br>Package Weight: Approx. 160g / 5.64oz<br><br><strong>Package List:</strong><br>1 * Watch<br>1 * Box