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Watch Series 8 45mm

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Key features
Battery Standby Time18 Hours
DisplayAlways-On Retina display
Display resolution482 x 396 pixels
Other features
  • Temperature Sensor
  • Blood Oxygen Sensor and App
  • Take an ECG Anytime, Anywhere
  • Heart Rhythm Notifications
  • 50m water resistant
  • Swimproof
  • Advanced Safety Features
  • Enhanced Workout App
  • Redesigned Compass App with Backtrack
  • Track Daily Activity
  • Durable IP6X Design
  • Call, Text and Email
  • Stream Music, Podcasts, and Audiobooks
  • Apple Pay
  • Edge-to-Edge Display
  • All-Day Battery Life w/Fast Charging
  • Sleep Stages Tracking
  • watchOS 9
  • 3 Free month of Apple Fitness+
Apple Watch Series 8 45mm features advanced health sensors and apps, so you can take an ECG,1 measure heart rate and blood oxygen,2 and track temperature changes3 for advanced insights into your menstrual cycle.4 And with Crash Detection, sleep stages tracking, and advanced workout metrics, it helps you stay active, healthy, safe, and connected.

*Apple Watch Series 8 45mm requires an iPhone 8 or later with iOS 16 or later.

Discover the Apple Watch Series 8 45mm available from T-Mobile. Explore the features, specs, reviews, and find the available case and band colors for sale today. Get your new Apple Watch Series 8 45mm on T-Mobile’s nationwide 4G LTE network.

And, be sure to explore the stunning new Apple Watch Series 9 41mm , Apple Watch Series 9 45mm and Apple Watch Ultra 2.

Need help with choosing which Apple Watch is right for you? Check out our Apple Watch comparison chart to help you decide based on the features and options of each smartwatch side-by-side.

Apple Watch Series 8 45mm Quick Facts
  • When was the Apple Watch Series 8 45mm released? The Apple Watch Series 8 45mm was released September 16th, 2022.
  • What colors are available for the 45mm Apple Watch Series 8? The Apple Watch Series 8 45mm is available in multiple colors: Scroll to the top of this page to explore colors currently in stock.
  • How much does the Watch Series 8 45mm cost?The full price of this Apple Watch starts at $529.99 + tax depending upon the model.Exact pricing can change but check out the latest Apple deals for current promotions on select models.
  • Is the Apple Watch Series 8 45mm waterproof? Yes, this Apple Watch has a water resistance rating of 50 meters, and is swimproof.
1The ECG app and irregular rhythm notification require the latest versions of watchOS and iOS and are not intended for use by people under 22 years old. The ECG app is available on Apple Watch Series 4 or later (not including Apple Watch SE). The irregular rhythm notification is not designed for people who have been previously diagnosed with Afib.
2Blood Oxygen app measurements are not intended for medical use, including self-diagnosis or consultation with a doctor, and are only designed for general fitness and wellness purposes.
3The temperature sensing feature is not a medical device and is not intended for use in medical diagnosis, treatment, or for any other medical purpose.
Additional specs
Battery DescriptionBuilt-in rechargeable lithium-ion battery
PortsUSB-C Magnetic Fast Charging Cable
ConnectivityWi-Fi 802.11b/g/n 2.4GHz and 5GHz, LTE,UMTS, Bluetooth 5.0, USB, NFC
ProcessorS8 with 64-bit dual-core processor
Operating SystemwatchOS
Maximum Expandable Memory0 GB
Wireless Network Technology Generations3G, 4G LTE
Supported Email PlatformsApple Mail, POP3, IMAP4, SMTP, Microsoft® Exchange, AOL®, AIM, Yahoo!® Mail, GMail
WEA Capabletrue
Mobile Hotspot Capabletrue
FrequencyGSM: 850 MHz, 900 MHz, 1800 MHz, 1900 MHz; LTE: 1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 25, 26, 39, 40, 41, 66; UMTS: Band I (2100), Band II (1900), Band IV (1700/2100), Band V (850)
Weight1.36 Ounces
What's in the box
  • Apple Watch Series 8 45mm
  • S/M or M/L Band
  • 1m USB-C Magnetic Fast Charging Cable
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