These are very nice ends. I could not ID the maker.
I did see that Juan De Dios signed his stuff JD. I have no idea if this is hes mark. I could not find anything to compare it to. They are 40mm north to south and 35mm east to west. The circle is 1mm in diameter and the square on the opposite ends is 18mm east to west and 2mm north to south.The turquoise is 19mm north to south and 19mm east to west. They are not hallmarked, but have been tested, and verified weighing in at 28.7 grams. This item is pre-owned and there will be ordinary and normal use marks. Comes from a clean, smoke-free home. The item "Vtg Early Sterling Silver Native American Turquoise Men's Watch Ends Tips LHC5" is in sale since Thursday, October 29, 2020. This item is in the category "Jewelry & Watches\Ethnic, Regional & Tribal\Native American\Watches". The seller is "besparkledagain" and is located in Mayfield, Kentucky. This item can be shipped worldwide.