All Apple Watch models have 8 GB of storage, but there are limits on how that storage can be used, 9to5Mac reports. A maximum of 2 GB can be allocated to music, and only 75 MB can be used for photos on the Photos app, as confirmed by Apple. That translates to roughly 200 songs and 100 photos that can be accessed even when the watch is away from an iPhone. The rest of the space will likely be reserved for the system’s OS, apps, and other internal…