If you're looking for a way to easily compare the sizes of the different Apple Watch cases to see how each will fit your wrist, you can now do so right from the comfort of your iPhone.
In the Apple Watch section of the Apple Store app for iPhone, there's a page that displays the actual size of the 38MM and 42MM watch cases, allowing you to easily compare the two before you venture to an Apple Store to try one on for size.
To get to the size comparisons, you simply need to open the Apple Store app on your iPhone. From there, tap "Learn More" on the Apple Watch banner on the storefront, then tap "View Pricing" in the upper right-hand corner of the screen. Finally, tap "compare case sizes" from the price comparison screen and you'll be presented with the option to toggle between the 38MM and 42MM watch cases at actual size.
The process is a bit convoluted, but it serves as an easy way to get a glimpse at how each size will look on your wrist before you get a chance to try on out in person on April 24.