Question re Venus 188

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I am looking to replace a subdial hand for my Breiling 1191 Cadette which has a Venus 188 movement. Does anyone know the proper hole and post size needed?
 
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I’m correct in assuming that the 3 o’clock subdial hand is incorrect?
 
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Anyone?
I realize generic subsecond hands are readily available but would love to confirm the hole size, length, and whether a long post is needed without having to open the watch.