Retro Hollow Mechanical Pocket Watch With FOB Chain Gold Stars Skeleton Steampunk Vintage Mens Womens Hand Winding Pocket Watch

Mechanical Hand Wind Pocket WatchProduct Features:- Diameter: About 4.3cm- Thickne: About 1.8cm- Total Length of Chain: About 37cm-  Pop Open Fl Front Cover with Pre on at the Top of the WatchPackage Content:- 1 x Pocket Watch- 1 x Chain(1 X Gift Set)

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 on on the side of the watch, until it is full.2. By taking the on out slightly, you can adjust the time, then push back the on.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.Hints and Ts:. Fully winded, the power reserve of watch can reach 36 hours.. If you wear it more than 10 hours per day,ex winding up will not be neceary.