Automatic Mechanical movement (no battery needed);Bigger Screen, more elegantStainless Steel;Automatic Self-Wind;Alloy Steel Case;High-quality stainless steel strap;High strength mineral glass mirror Automatic mechanical watch: by swinging arms and automatic winding;Must wear more than eight hours a day in order to ensure accurate timing;Winding can also manually made by turn the adjuster 15 rounds in clockwise (not drawn out)

Colour: Silver Strap