So far, the Apple Watch straps have always been backward-compatible. | Photo by Vjeran Pavic / The Verge
While Apple has increased the size of the Apple Watch over the years, users have always been able to use older watch bands with newer models. That might soon change. Initially spotted by MacRumors, leaker UnclePan claims that the so-called Pro — Apple’s forthcoming rugged smartwatch — may not be compatible with existing straps.
Until now, Apple’s been able to easily maintain compatibility because the Apple Watch’s design has barely changed. Each Apple Watch model comes in two sizes: a smaller version and one that’s 4mm larger. The original watch up through the Series 3, for example, was sold in 38mm and 42mm sizes. That changed with the Series 4, which increased the cases to 40mm and 44mm. Apple once again bumped up the size with the S…
