First thing I noticed, it's not a common Watch. Why the seconds? So I do read 50/9. And a split-second before 50/10 ? Post 5010 does not exist, so maybe post 510 ? it mentions " Wind the CLOCK. The CLOCK and the GRAPHIC are ESSENTIAL."

First thing I noticed, it's not a common Watch. Why the seconds? So I do read 50/9. And a split-second before 50/10