Antique Green Jade Mechanical Pocket Watch Classic Vintage Pendant Watch Men's Women's Necklace Jewelry Birthday Gift relógio

This is a mechanical watch, Power by winding spring manually (no need battery). So how to use mechanical watch?
1. When you first wear it, please wind the watch by turning the button on the side of the watch, until it is full.
2. By taking the button out slightly, you can adjust the time, then push back the button.
3. If you leave it still for a long time, please swing it lightly for a few minutes and wind-up by several laps. At this time, it will work normally.
4. If still have any questions, please contact us first.
Product Features:
- Diameter: About 4.8cm
- Thickness: About 1.8cm
- Total Length of Chain: About 37cm
- Pop Open Flip Front Cover with Press Button at the Top of the Watch
Package Content:
- 1 x Pocket Watch
- 1 x Chain