In the official specs sheet, the Apple Watch Series 4 models are listed as having less battery capacities than their counterparts from the Series 3. For instance, the 44mm Series 4 model has a 1.12 watt-hours capacity while the 42mm Series 3 model has a 1.34 watt-hours capacity.
Based on the data presented, the 44mm Series 4 model has around 16.5 percent less battery capacity than the 42mm Series 3 model.
According to (https://appleinsider.com/articles/18/09/25/apple-watch-series-4-has-smaller-batteries-than-series-3-official-specs-show) AppleInsider , the battery life of the Apple Watch Series 4 models are just as long as that of the Series 3 models because of the improved power consumption of the former.
The Apple Watch Series 3 was released a few months ago, but some customers might prefer to buy the Series 1 instead.
While the Series 3 is the newest model, the Series 1 still has some pretty good features -- and for $100 less.
Here's what the Apple Watch Series 1 has compared to the Series 3 -- and what it lacks.
Post the Apple Watch Series 3 launch, the company has discontinued the Apple Watch Series 2 and customers can no longer buy it.
The Apple Watch Series 3 is not only available in 42mm and 38 sizes, but also comes with GPS and cellular versions.
Despite the price difference, the Apple Watch Series 3 has many more features than the Watch Series 1.