• Automatic mechanical watch， self-winding， doesn't need battery， environmentally friendly
• Hollow-out design， let you see the complex structure of the watch
• Genuine leather strap， comfortable to wear and durable to use
• Alloy case， sturdy in structure and scratch-resistant
• Classic pin buckle， convenient to adjust the length and not easy to fall off

The power of movement
Automatic mechanical watch without batteries， the motion of time pointers depend on the swing of arm， so you must wear it more than eight hours a day to keep precise time.