it's a great, classic-styled watch with a fair bit of modern oomph sprinkled into; it's neither too fat, nor too big and a size that allows reading time without straining your eyes.

How would the previous sentence be correctly capitalized?
It's a great, classic-styled watch with a fair bit of modern oomph sprinkled into; it's neither too fat, nor too big and a size that allows reading time without straining your eyes.