Watches
Vintage Pocket Watch,Pocket Watch with Chain for Men Women,Vintage Pocket Watch Mechanical Clamshell Hollow Pocket Watch Retro Necklace Watch Student Gear Vintage Clockwork Pocket Watch Classic Pocket
Open the watch cover according to the lower crown, select the crown part clockwise, generally 25-30 full, fully screw it for about 36 hours, pull up the crown part, and then rotate to adjust the time The diameter of the case is about 1.7 inches...
https://www.bizrate.co.uk/watches/vintage-pocket-watch-pocket-watch-with-oid31128344477.html