Vintage Hamilton Gary Thinline 6500 17 Jewels 10k Gold Plated Watch.
This Beautiful Watch is in overall very good condition and is Working.
Dial has some patina due to age. 
Movement a Hamilton 68 17 Jewel manual wind.
Hamilton originally produced the Gary from 1962 to 1967. While Hamilton was still an American company at this time, they did use Swiss made movements in some of their models. This Gary has a Swiss made, manual wind movement, that was fully serviced May 2019. The case is 10k rolled gold plated and the case back is stainless steel.
27mm width (excluding the crown)
28mm length
9mm tall
36mm tip to tip
18mm lug width