Some Hamilton dials have FOUR feet, and some have THREE feet. They are not interchangeable. Any 16-size Hamilton dial from an OPEN FACED watch with three dial feet will fit any other 16-size Hamilton movement meant for a movement with three feet, in open faced case. Same goes with four feet dials. Hunter case Hamilton dials will only fit a hunter cased model. How to tell three or four feet?
The images are of a Hamilton grade 992, and a Hamilton 952.
On the picture marked Hamilton 952, the arrow points at the crown wheel which is contained by two screws. The dial on the watch has FOUR feet.
On the picture marked 992, the red arrow points at the crown wheel which is held by ONE screw. This dial will have THREE feet. The dials on Hamiltons such as the examples, are NOT interchangeable.
This rule of thumb does NOT apply to 18-size Hamiltons!
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