Apple Watch SE 3

The Apple Watch SE 3 is an entry-level smartwatch released by Apple Inc. on September 10, 2025.

This product features a 100% recycled aluminum case, available in two sizes of 40mm and 44mm. The screen display area has increased by 12% compared to the previous generation, and it is equipped with an all-weather retina display screen (OLED and LTPO technology, with peak brightness up to 1000 nits) for the first time. The glass mirror's crack resistance has been increased by four times compared to the previous generation, and it is available in two colors: starlight and midnight.

The watch is equipped with an S10 chip (equipped with a 64 bit dual core processor and a 4-core neural network engine), which increases processing speed by 30%. It has a built-in 64GB capacity and supports dual finger tapping, wrist swinging gesture operations, and device side Siri interaction. Health monitoring has added sleep apnea tracking, sleep scoring system, and wrist temperature sensor, which support collaborative processing of health data through iPhone. It can assist in ovulation estimation and vital sign monitoring, and provide functions such as high or low heart rate warning, arrhythmia prompt, etc.

Run watchOS operating system, support GPS, cellular network connection and 5G communication, with Apple Pay mobile payment function. The battery can last for up to 18 hours, and the low battery mode can be extended to 32 hours. It also supports fast charging (charging for 15 minutes can extend usage for 8 hours), 50 meter waterproofing, and is equipped with safety functions such as accident detection, fall detection, and SOS emergency contact.

This watch is designed with a focus on environmental protection, with 40% recycled components. It is manufactured using 100% renewable electricity and packaged with 100% fiber materials. In terms of compatibility, an iPhone 11 or later model is required, and iOS 26 or later systems need to be installed.

Its main parameters are as follows: