Diameter at the dial: 37.7 mm metallic dial in good shape... Diameter at the movement: 37 mm Good Luck.The item "Pocket Watch Movement 10s hamilton 921 21 jewels 5 adj. Dial & hands OF" is in sale since Thursday, November 15, 2018. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Pocket Watches\Tools & Parts".antictac" and is located in Miami, Florida. This item can be shipped worldwide.