• Automatic mechanical pocket watch， need not battery， environmentally friendly
• Unique hollow-out flip cover design， has both the benefit of elegant appearance and enhanced protection for the inner table
• Classic Roman numerals scales， shows its full retro style
• Luminous dial face， even in the dark place， you can get time clearly
• One button operation， easily press to open

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.