Watch origin: Shanghai(China)
Watch case diameter:  about 37.9 mm (including handle)
Mirror surface material: organic glass
Case material: all steel
This watch is from the old stock of shanghai factory and it might have a little 1%-2% slight scratch. 


Usage Method
How to adjust the time and wind up a manual mechanical watch?
① First, pull your head out to the right.
② Then rotate downwards and adjust the time clockwise.
③ 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~