Diamond Men's Manual-Wind Mechanical Wristwatch, "Serve the People" Theme Vintage (New Old Stock)
• Movement: Chinese 7120 Manual-Wind Movement
• Available Options: Stainless Steel Bracelet Bestseller / Black Strap Classic / Brown Strap Trendy Men / Milanese Mesh Bracelet Fashion / Expansion Band Convenient / Gold Stainless Steel Bracelet (+3 more)
Usage Method
How to adjust the time and wind up a manual mechanical watch?
First, pull your head out to the right.
Then rotate downwards and adjust the time clockwise.
Next, press the pulled out head inward. Finally, use your thumb and index finger to move your head up for about 25 to 30 turns until it stops turning.

congratulations! The watch is ready to go~
Don't forget to wind it up every day~