I like it, I'm a fan of clean designs!
I have a few suggestions though if you'd like the feedback?
The hour tick marks between the numbers are very similar to the "1" digit used on the "12" so it looks a little off on that side. Maybe make those markers slightly smaller and narrower to differentiate.
Also, and this may not be the case with other watches, the Samsung Galaxy Watch uses yellow dots for notifications on the left side of the face, this may get confused with the dots you've used (it may not though).
Overall, good work!