Apple Watch SE 3 (2025)

Apple Watch SE 3: Always-On Retina display, S10 chip, fast charging and 5G in the entry-level Apple Watch of 2025.

Model image not included; see official images at Apple. Apple Newsroom

Specifications

Chip	Apple S10 · CPU dual-core 64 bits · Neural Engine 4 núcleos · 64 GB
Display	Always-On Retina OLED LTPO · 1,000 nits peak / 2 nits min · 326 ppi
Sizes	40 mm (324×394) · 44 mm (368×448) · midnight / starlight aluminium
Sensors	Optical heart rate (2nd gen) · temperature · compass · altimeter · high-g accelerometer · gyroscope · ambient light
Connectivity	Wi-Fi 4 2.4 GHz · Bluetooth 5.3 · GPS L1 · 5G RedCap / LTE (GPS + Cellular)
Water resistance	50 m (swimproof)
Claimed battery life	18 h normal use / 32 h Low Power Mode · fast charge 80% ≈ 45 min
Launch price	From US$249 in the United States (launch price, not a Spanish price)
Status	On sale since September 19, 2025

Apple · Specifications

Announcement and availability

Apple introduced it on September 9, 2025. Pre-orders opened the same day and store availability began September 19, 2025. At the time of this page it is on sale. Apple Newsroom, 09-09-2025

What changes and who it is for

It is the third generation of the SE, the entry-level Apple Watch. Compared with the SE (2nd gen) from 2022 it adds an Always-On Retina display, the S10 chip with on-device Siri and one-handed gestures, fast charging, 5G on the Cellular model, a wrist temperature sensor, sleep apnea notifications and sleep score. Announced improvements come from Apple testing, not independent measurement. Apple Newsroom

Before choosing

Claimed battery life is up to 18 hours of "normal use" (Apple's metric) and up to 32 hours in Low Power Mode; it does not mean 18 hours of continuous workout. Fast charging requires the USB-C magnetic fast charger. 5G and calls without an iPhone nearby are only on GPS + Cellular models. Health features (temperature, sleep apnea) are not medical diagnosis. Apple · Specifications

Sources

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Apple Watch SE (2nd gen) (2022)Apple Watch Series 1 (2016)Apple Watch Series 2 (2016)Apple Watch Series 3 (2017)Apple Watch Series 4 (2018)Apple Watch Series 5 (2019)Apple Watch SE (2020)Apple Watch Series 6 (2020)Apple Watch Series 7 (2021)Apple Watch Series 8 (2022)Apple Watch Ultra (2022)Apple Watch Series 9 (2023)Apple Watch Ultra 2 (2023)Apple Watch Series 10 (2024)Apple Watch Series 11 (2025)Apple Watch Ultra 3 (2025)Apple Watch Series 12 (2026)Apple Watch Ultra 4 (2026)

Facts checked October 30, 2026 · Specifications