Reddit reviews SE Universal 4 Prong Brass Clock Key for Winding Clocks, Odd and Even Numbers (2 PC.) - JT6336-2
We found 2 Reddit comments about SE Universal 4 Prong Brass Clock Key for Winding Clocks, Odd and Even Numbers (2 PC.) - JT6336-2. Here are the top ones, ranked by their Reddit score.
4 prong odd sizes: 3, 5, 7, and 94 prong even sizes: 2, 4, 6, and 8Made of brass2 piecesUniversal clock key is used to wind most clocks
You don’t need a branded key, you just need one of the right size.
If you have a reliable set of calipers, you’ll be able to get a general idea of what size key you need. Alternatively, you could try a supposedly universal key.
> Are clock keys fairly interchangeable
Some are. :)
https://smile.amazon.com/SE-JT6336-2-Universal-Winding-Numbers/dp/B0040ZZTNY
Although you need to know if its worth buying. Does the pin in the hole have a square end on it? If so, that's probably the winding hole.