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All Smartwatches
Apple
Watch SE 3

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Watch SE 3

Apple

Retail:

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Screen

44 MM

Durability

50 M

Battery Life

18 HRS

OS

watchOS 26

Apple Watch SE 3 is packed with essentials like sleep score, Always-On display, Activity rings, and more. All for a great value.

Apple Watch SE 3 Features

Apple Watch SE 3

Apple Watch SE 3

Richer health insights

Richer health insights

Track your workouts

Track your workouts

Crash detection

Enjoy all day battery life

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Crash detection

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Disclaimers

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Apple Watch SE 3 Specs

Display Always-On Retina display with OLED and LTPO | Tough Ion-X front glass with 4x crack resistance | Up to 1000 nits peak brightness | 326 pixels per inch
Battery All‑day battery life, up to 18 hours of normal use | Up to 32 hours in Low Power Mode | Built‑in rechargeable lithium‑ion battery | Fast‑charge capable | Up to 80% charge in about 45 minutes
Memory 64GB Capacity
Processor S10 chip with 64‑bit dual core processor | 4‑core Neural Engine
Connectivity GPS + Cellular | Wi-Fi 4 (802.11n) | Bluetooth 5.3
Operating System watchOS
Dimensions 40mm: 40mm x 34mm x 10.7mm | 44mm: 44mm x 38mm x 10.7mm
Weight 40mm (GPS + Cellular): 26.4 grams | 44mm (GPS + Cellular): 33 grams

What’s included with Watch SE 3

Apple Watch SE 3
Apple Watch Magnetic Fast Charger to USB‑C Cable (1m)
Band

Legal Notice

Apple Watch SE 3 requires iPhone 11 or later with iOS 26 or later. | The Vitals app is for wellness purposes only and not for medical use. | Fast charging is compatible with Apple Watch Series 7 and later, any Apple Watch Ultra model, and Apple Watch SE 3. | Battery life varies by use and configuration. See apple.com/watch/battery for more information. | The temperature sensing feature is not intended for medical use. Temperature sensing is available only on Apple Watch Series 8 and later and all Apple Watch Ultra models. | Sleep apnea notifications are available on Apple Watch Series 9 and later, Ultra 2 and later, and SE 3. The feature is intended to detect signs of moderate to severe sleep apnea for people 18 years old or older without a diagnosis of sleep apnea. | Irregular rhythm notification requires the latest versions of watchOS and iOS. It is not intended for use by people under 22 years old or those who have been previously diagnosed with atrial fibrillation (AFib). | Testing conducted by Apple in July and August 2025 using preproduction Apple Watch SE 3 (GPS + Cellular) and Apple Watch SE 2 (GPS + Cellular), each paired with an iPhone; all devices tested with prerelease software, Apple Watch Magnetic Fast Charger to USB-C Cable (Model A2515), and Apple 20W USB-C Power Adapter (Model A2305). Charge time varies with adapter, region, settings, initial battery levels, usage, and environmental factors; actual results will vary. | Emergency SOS requires a cellular connection or Wi-Fi calling with an internet connection from your Apple Watch or nearby iPhone. You can use cellular models of Apple Watch to make an emergency call in many locations, provided that cellular service is available. Some cellular networks may not accept an emergency call from your Apple Watch if your Apple Watch isn’t activated, if it isn’t compatible with or configured to operate on a particular cellular network, if isn’t set up for cellular service, or if the cellular network does not support emergency calling over IMS. See support.apple.com/108374 and apple.com/watch/cellular for more information. | Not all features will be available if the Apple Watch is set up through Apple Watch For Your Kids. Check support.apple.com/en-us/109036 for details. Wireless service plan required for cellular service. Check apple.com/watch/cellular for participating wireless carriers and eligibility. | Wireless service plan required for cellular service. Contact your service provider for more details. Connection may vary based on network availability. Check apple.com/watch/cellular for participating wireless carriers and eligibility. See support.apple.com/HT207578 for additional setup instructions. | Data plan required. 5G is available in select markets and through select carriers. Speeds vary based on site conditions and carrier. For details on 5G support, contact your carrier and see apple.com/watch/cellular.

California Residents - Proposition 65 WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

A portion of phone memory storage is dedicated to the operating system and required services. As a result this portion of memory is not usable by applications, pictures, videos or other personal data.

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