[Detachable Chain] The package includes a pocket watch and a necklace chain with a hook; the detachable chain is easy to assemble and disassemble. [Portable Size] The diameter of this pocket watch is about 5 cm/1.97 inches, the chain length is 39 cm/15.35 inches, and the total length is about 78 cm/30.71 inches, lightweight and compact, easy to carry and store. [Durable Material] This men's pocket watch with a chain is made of zinc alloy, not easy to rust and damage, elegant design with precise quartz movement, the color of the dial is black, the hour, minute, and second hands are accurate, full of a retro atmosphere. [Set Time] There is a button on the top of the pocket watch, pull out the button when you open the pocket watch, turn it clockwise to set the time. [Chic Gift Choice] A pocket watch for men can be a chic gift for your husband, son, family, or friends as a birthday, Christmas, wedding, or anniversary, Father's Day, or party decoration. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.