I believe it meant there are a number of 2998-1s that are seen with the 2915-3 long hour hand. IMHO, this is gradually becoming more acceptable. However to my eyes this seems to be a regular 2998 hour hand. See the attached photo of the 2915-3 hour hand. The square-end of the lume area on the 2915-3 hand is sitting closer to the center than the corner edge of the hand.
View attachment 673788
To my eyes, they look fine and could possibly be original due to a relatively shorter stem than the replacement ones.
+1 to this. That's what worries me most. I believe it is the spot under which the dial legs are located. Same but to lesser degree can be seen at between 8 and 9. It could be that the dial legs have had some work on or they were damages from compression or the like.
All comes down to the price I believe. This is a really rare watch with certain charms. Whether to go on and acquire it, you need to weight in on more than a few factors here. Good luck.
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