Every Apple Watch release in chronological order: 2014–2024

The original Apple Watch was announced on September 9, 2014 , but didn’t go on sale until April 24, 2015 .

It was billed as Apple ’s “most personal device ever” It was the first wearable to get iPhone notifications, utilize Apple Pay , and crucially, allow users to communicate through their wrist by sending and receiving calls and messages.

The Apple Watch Series 1 was a slightly improved version of the original that fixed a few issues with the original.

The Series 1 had a new dual-core processor, which improved the overall performance speed by 50% , and the price was reduced to $ 269 .

Apple introduced the Apple Watch in three varieties.

The Apple Watch Series 4 was one of the biggest and most important versions of the Apple Watch .

It was the first Apple Watch to include ECG sensors, ECG , and blood oxygen monitoring.

The Series 5 was also the first to add a compass app for better navigation, emergency calling, more storage ( 32 GB ) and a better ambient light sensor.

Apple added SpO2 monitoring, allowing users to measure their blood oxygen levels.

The Apple Watch Ultra was Apple ’s first rugged smartwatch, designed for those who love outdoor and “extreme” activities.