Rolex Submariner 168000 Engraving Question

[swish77]

Also posted this over on VRF ....

Here's the reference number engraving on a Rolex Sub 168000, 9.37 million serial number. I've researched the 168000 ad nauseam and know the history and the "loose" zeros that were added by Rolex to distinguish the new 904 steel being used on Subs. My question is ..... Is this last zero too "loose?" It's not only lower and apart from the rest of the reference number, but it's squiggly. I couldn't find another example online that was quite this "off."

Everything else on the watch looks good, including a perfect serial number engraving. It's also got the correct case back for a 168000 with the "rugby ball" logo, and it's got the distinctive MK1 dial for the 168000 with the Z-shaped "S" in Submariner. The watch also had a recent RSC service, although the warranty card states "16800" not "168000," which I've read is fairly common for Rolex paperwork on legit 168000s.

Still, does that last zero look so odd as to raise any eyebrows that it might not be legit? Any opinions and insight most appreciated.