VERSUS: Submariner Date Siblings

Sixteenth edition of the "VERSUS" post/picture. What is "VERSUS"? Well, I thought it would be fun to compare two watches (and only those two watches) and discuss pros/cons by outlining the differences and getting folks' ideas/thoughts/opinions on TRF. We got folks here that have been collecting and studying these things for decades and those who are just starting to venture into the crazy world of Rolex (and everyone in between). Therefore, it would be fun and educational!

For this edition, we have a showdown of a couple Submariners with dates. A Submariner reference 1680 and a reference 16800.

Which do you prefer and why?