Hamilton Langley 1929 Solid GoldBy Tom Adelstein / July 23, 2011 Hamilton Langley Hamilton produced 1,800 units. Beginning in 1929. It has a 17-jewel 987 movement. 37mm X 27mm with a three piece case. In 1934, they changed to the 979 movement with a two piece case. Copyright 2006-2017 | All Rights Reserved