Apple Watch sizes: Finding the right fit

38mm or 42mm? 40mm or 44mm? Compare the Apple smartwatch sizes

While an Apple Watch strap may be adjustable, the size of the case is crucial to get right before purchasing.

In 2018 Apple moved to a new size standard for its smartwatches. That means the Apple Watch Series 6 and the Apple Watch SE now come in 40mm model and 44mm models.

Read more