["Silver Shield Design Pocket Watch: This mens silver smooth shield mechanical pocket watch comes with easy to read Roman numerals. The large Roman numerals allow you to easily view the time making it an ideal choice for any grand occasion." Mechanical movement without the need for batteries. Automatic winding means that it winds itself and you must wind it to turn on its power. When the watch runs low due to prolonged inactivity it also needs to be wound. Wind the automatic watch by rotating the crown until the power jump starts and the automatic winding mechanism will work. Double opening design: This pocket watch is a mechanical movement. It does not require batteries has a longer lifespan and is more durable. The double opening design makes the pocket watch look more classic and showcases a noble temperament. Package includes: 1 x pocket watch 1 x chain 1 x operating instructions 1 x black gift box. "London Design: This mens mechanical pocket watch comes with easy to read Roman numerals. The London design is very retro and suitable for any grand occasion."]