This year, the Apple Watch received a long-awaited design update: the case became thinner and the display – more. At
1. Large display with thin frames


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For the first time since the release of the first version at AppleWatch redesigned. Although the case still retained its square shape, the edges became more rounded and the aspect ratio of the display to the front panel increased. In addition, the display itself also received rounded edges, in contrast to the fully square in previous generations.
Available dial sizes have also changed. Instead of 38 and 42 mm, 40 and 44 are now represented, but at the same time, Series 4 is 40 mm larger than the flagship Series 3 by 42 mm. At the same time, the case became a little thinner: 10.7 mm instead of 11.4 mm.
2. Tactile response of the Digital Crown


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New Digital Crown Wheel Gets Tactilebang for your buck - Apple engineers have made you feel clicks when turning, just like when turning a mechanical wheel on a regular watch. This works on the same principle as the “Home” button in iPhones 7 and 8 generations.
3. New, more informative dials


With watchOS 5, Apple is changing the way you experiencesmart watch dial. Now you can add up to 8 complications on one screen – additional blocks of information, which “increases” on top of the main dial calledInfograph. In addition, three dynamic dials have been added: Fire, Water and Steam. At the applicationBreathit also has its own dial.
4. New Apple S4 processor


Apple Watch Series 4 is equipped with the latestprocessor S4. This is a new 2-core 64-bit chipset that is twice as powerful as the processor in the Series 3. Along with the processor, many sensors have been updated and added. For example, the dynamic range of the gyroscope and accelerometer has doubled, and the speed of processing data about user movements has increased by 8 times. It would seem that these are little things, but it is thanks to such “little things” Apple Watch Series 4 makes the impossible possible.
5. Louder speakers


The microphone in the fourth generation was moved tothe other side of the case and placed between the Digital Crown and the side button. This made it possible to reduce echo and increase the clarity of telephone conversations. In addition, the speaker has become larger and more powerful: its volume has increased by 50%. The difference is especially noticeable when communicating with Siri.
6. Heart rate sensor analyzes abnormalities


Now the watch will be able to recognize when the heart isthe rhythm remains too low for 10 minutes with no activity. In this case, the Apple Watch will trigger a low heart rate warning. This situation may be caused by bradycardia – a disorder that can lead to serious consequences if the heart does not supply the body with a sufficient volume of oxygenated blood. All information about such problems can be saved in PDF and shown to your doctor – Apple Watch data is considered accurate enough to be used for medical purposes.
7. ECG application
Apple Watch first among consumer wearablesGadgets have got this feature. Now, for a full electrocardiogram, only hours are enough. The fact is that the Digital Crown wheel and the rear panel of the case are covered with electrodes. Just put your finger on the Digital Crown for 30 seconds to scan. Unfortunately, this feature is still being finalized and will be available later this year.
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8. Fall detection


This is another cool feature that has becomepossible thanks to improved sensors. Now the watch will be able to determine when you fell, and will offer to call for medical help. You can set the watch so that it automatically sends information about your location to the rescue service if you have a disease in which seizures are possible.
9. New stylish colors


Apple Watch is now available in three colors: the usual silver and “space gray” gold has joined, ideally matching the new colors of the iPhone Xs and iPhone Xs Max.
10. Backward compatibility of bracelets and straps


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If you decide to upgrade to Series 4 from an earlier version of the Apple Watch, you can use all your wristbands and bracelets: Apple made sure that the standard of fastening remains the same.
By the way, if you want to buy yourself an Apple Watch, but are still not sure which generation is best for you – read our comparison of Apple Watch Series 2, Series 3 and Series 4.