The best gifts: Great birthday gifts/Valentine's Day gifts/Father's Day gifts/Fun gifts/Men's gifts/Personal gifts/Brother gifts.No need for batteries:Mechanical movement, no need for batteries. Automatic winding is to wind the winder by itself, and it needs to be wound to start, and it needs to be wound when the battery is not used for a long time. Rotate the crown to wind the automatic watch until the power pulse starts, and then the automatic winding mechanism starts to work.Mechanical movement: No battery is needed, just 25-30 turns every 24-36 hours, or until you feel resistance.Fashion accessories :Attractive retro design, unique hollow dial, add undeniable style and style to your daily life and fashion.After sales service: If you have any questions about the product, please feel free to contact seller,we will give you a satisfactory solution. Product Description Unique pocket watch Movement Mechanical Mechanical Mechanical Mechanical Mechanical Mechanical Dial diameter 45MM 45MM 45MM 45MM 48MM 45MM Pocket watch cover Double opening Double opening Single opening Double opening Uncovered Uncovered With gift box YES YES YES YES YES YES Chain length 37CM 37CM 37CM 37CM 37CM 37CM Track Page Views WithAuctiva's Counter