Overview

  • Temperature sensor provides retrospective ovulation estimates and advanced cycle tracking features⁴
  • Measure your blood oxygen with a powerful sensor and app²
  • Take an ECG anytime, anywhere¹
  • Get high and low heart rate, and irregular rhythm notifications¹
  • Advanced safety features, including Fall Detection, Emergency SOS⁵, and Crash Detection
  • Enhanced Workout app with more advanced metrics and ways to train
  • A completely redesigned Compass app with waypoints and Backtrack
  • Track your daily activity on Apple Watch, and see your trends in the Fitness app on iPhone
  • The most crack-resistant front crystal yet on an Apple Watch, IP6X dust resistance and swimproof design, and increased durability for fitness and activity
  • Call, text, and email with just a few taps
  • Listen to your favorite music, podcasts, and audiobooks (for use with GPS models)
  • Make purchases instantly and securely from your wrist with Apple Pay⁷
  • Large, Always-On, edge-to-edge display
  • All-day battery life and fast charging⁸
  • Sleep stages tracking lets you see how much time you spend in REM, core, and deep sleep
  • watchOS 9 features an enhanced Workout app, a new Medications app, sleep stages, and greater insights into heart health
  • Apple Watch comes with 3 free months of Apple Fitness+, featuring 11 different workout types, from HIIT to Yoga, and even meditations⁹
  • ¹Apple Watch Series 8 requires an iPhone 8 or later with iOS 16 or later.
  • ²The 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.
  • ³Blood 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.
  • ⁴The temperature sensing feature is not a medical device and is not intended for use in medical diagnosis, treatment, or for any other medical purpose.
  • ⁵The Cycle Tracking app should not be used as a form of birth control. Data from the Cycle Tracking app should not be used to diagnose a health condition.
  • ⁶Emergency SOS requires a cellular connection or Wi-Fi Calling with an internet connection from your Apple Watch or nearby iPhone.

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Specifications

Capacity & configuration

Band Type
Sport Band
Display Type
Retina Display
Alert Type
Audible
Replaceable Battery
No

Dimensions & weight

Product Name
Watch Series 8 (GPS) 45mm Aluminum Case with Starlight Sport Band - M/L
Maximum Depth of Water Resistance
164 feet
Product Height
3.1 inches
Product Width
11.6 inches
Product Weight
0.85 ounces
Product Length
1.5 inches
Product Type
Smartwatch

Features

Brand
Apple
Color
Starlight
Case Size
45mm
Band Color
Starlight
Display Screen
Yes
Screen Size
45 millimeters
Touch Screen
Yes
Color Display
Yes
Backlit Display
Yes
Adjustable Brightness
Yes
Customizable Watch Faces
Yes
Operating System Compatibility
Apple iOS
Operating System
watchOS
App Compatible
Yes
Works With
Apple Home
Voice Assistant Built-in
Siri
Wireless Connectivity
Bluetooth
Wireless Standard
N
Built-in Storage
32 gigabytes
GPS Enabled
Yes
Global Positioning
GPS
Mobile Notifications
Yes
Mobile Payment Service Supported
Apple Pay
Music Player
Yes
Built-In Microphone
Yes
Voice Activated
Yes
Metrics Measured
Blood oxygen
Multi-Sport Tracking
Yes
Medical Incident Notification
911/EMS
Protective Qualities
Water resistant
Minimum Wrist Size
6.3 millimeters
Maximum Wrist Size
8.27 millimeters
Size
Large
Band Size
Medium/Large
Rechargeable
Yes
Charging Interface(s)
Wireless
Battery Chemistry
Lithium-ion
Case Material
Aluminum
Form Factor
Wristwatch
Year of Release
2022
UPC
400065615681

Power & warranty

Model Number
TI-REF MNUQ3LL/A
Model Family
Apple Watch Series 8
Warranty - Parts
90 days
Warranty - Labor
90 days

Warranty & protection

Included manufacturer warranty

See manufacturer documentation.

Register your product with the manufacturer within 30 days of delivery.

Warranty service

Manufacturer warranty claims are handled by the manufacturer. We are happy to help you find the right contact: (888) 419-6820.

Customer reviews

Write a review
SIMONEOOct 28, 2026 · Verified purchase ★★★★★

Great watch - This refurbished watch came in great condition and looks great. Very satisfied.

TonySep 20, 2026 · Verified purchase ★★★★☆

Apple Watch 8 - Works great so far. Much improvement from my series 3 I had for the last 7+ years. Better battery life and better tracking of activity rings

SirElliottSayleeAug 28, 2026 · Verified purchase ★★★★☆

Beautiful watch and it’s very useful I highly recommend

MADISYNTAug 23, 2026 · Verified purchase ★★★★★

Certified Refurbished Apple Watch Series 8 45mm - I absolutely love my Certified Refurbished Apple Watch Series 8 45mm! Honestly, it looks and feels like it was never previously used. The condition was amazing, and I use it every single day. One of my favorite features is how convenient it is when my phone isn’t nearby. If I get a call, I can simply answer it right from my watch, which makes things so much easier! I also LOVE the Fitness app. It tracks literally everything you could imagine and makes it so easy to keep up with my daily activity and fitness goals. The battery life has also been amazing and lasts me throughout my day with no issues. Overall, I’m extremely happy with my purchase and would definitely recommend a Certified Refurbished Apple Watch!

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Questions & answers

Ask a question

Email [email protected] or call (888) 419-6820 during business hours.

Free U.S. shippingOn every order. Leaves our store in 1–2 business days, arrives in 3–5 business days.
Free returns for 30 daysNo restocking fee. We email you a prepaid return label.
We can install it tooOptional in-home delivery, installation and haul-away on large appliances.
Talk to our team(888) 419-6820 · Mon–Sat