Detailed Description mechanical pocket watches: material: zinc alloy case, zinc alloy chain, mechanism movement; funcition:time; Features: (1) Could supply the goods with your own logo on the dial;  (2) Could change the color as your requirements(gold, silver or bronze);  (3) Different designs for your choice;  (4) Also have quartz pocket watches for your choice;  (5)Could supply Rohs or CE as your requirements;  (6) To develop and make new products according to your supplied samples or designs.  (7)To introduce our latest designs or products to you.