The Back Market Promise Repair & Care End fast tech Tech Journal Back Market for business

Choose location

Changing your location might affect your delivery address options, price, product availability, and currency.

Search your country

Current country & language

United States

English (US)

English (US)
Español (US)
Beta

Austria
Deutsch (AT)
Australia
English (AU)
Belgium
Français (BE)
Germany
Deutsch (DE)
Spain
Español (ES)
Finland
Suomi (FI)
France
Français (FR)
United Kingdom
English (GB)
Greece
Ελληνικά (GR)
Ireland
English (IE)
Italy
Italiano (IT)
Japan
日本語 (JP)
Netherlands
Nederlands (NL)
Portugal
Português (PT)
Sweden
Svenska (SE)
Slovakia
Slovenčina (SK)

United States

English (US)

English (US)
Español (US)
Beta

Suggested searches

Items

Suggested searches

Items

Popular searches

iPhone
iPad
MacBook
Trade in your tech
Shop all deals

Need help?
For business

Great deals
"Obsolete"
Smartphones
Good to know
Trade-in
Get up to $700 for your old device
Exclusive deals
Save $180 on Verizon’s 5G with Visible
Categories
See all
iPhone
Android smartphones
Smartphone Accessories
Laptops
Good to know
Trade-in
Get up to $700 for your old device
Categories
See all
MacBook
Windows Laptops
Accessories & Components
Last Generation Laptops
Chromebooks
Workstation Laptops
Gaming Laptops
AI Laptops
Tablets
Good to know
Trade-in
Get up to $700 for your old device
Categories
See all
iPad
Samsung Galaxy Tab
Android Tablets
Tablet accessories
Gaming consoles
Good to know
Trade-in
Get up to $700 for your old device
Categories
See all
Xbox
Nintendo
PlayStation
Retrogaming
Console accessories
Smartwatches
Good to know
Trade-in
Get up to $700 for your old device
Categories
See all
Apple Watch
Samsung Galaxy Watch
Audio
Good to know
Trade-in
Get up to $700 for your old device
Categories
See all
AirPod
Earphones
Headphones
Speakers
Home appliances
Good to know
Trade-in
Get up to $700 for your old device
Categories
See all
Small Appliances
Large appliances
Home care
Air care
Body care
More
Good to know
Trade-in
Get up to $700 for your old device
Categories
See all
Desktop computers
TV & home cinema
Electric transportation
Retro Tech

Home
Smartwatches
Apple Watch
Apple Watch Series 4

Smartwatches
Apple Watch

Darn, it's out of stock
(for now)

Out of stock

Apple Watch Series 4 (2018) GPS 44 mm - Aluminium Space Gray - Sport band Black

Apple Watch Series 4 (2018) GPS 44 mm - Aluminium Space Gray - Sport band Black

is currently unavailable.

Popular searches

Father's Day Mother's Day AirTag Garmin watches Apple Watch series 9 Black Friday DJI Drones Apple Watch Series 3 Amazfit Fossil Watches

Everything you ever wanted to know about the Apple Watch Series 4

MU662LL/AMPN
Apple S4Processor
AluminiumBody Material
11,85 inHeight
YesSpeed Tracker
YesMicrophone
YesECG Electrocardiogram
Series 4Generation
YesBluetooth

Apple Watch (Series 4) 44mm - Space Gray Aluminium Case - Black Sport

. Apple .

MPN: MU662LL/A
Processor: Apple S4
Body Material: Aluminium
Height: 11,85 in
Speed Tracker: Yes
Microphone: Yes
ECG Electrocardiogram: Yes
Generation: Series 4
Bluetooth: Yes
Storage (GB): 16 GB
WiFi: Yes
Network: GPS
Width: 1,34 in
Connection: GPS
Model: Apple Watch Series 4
Double Tap Gesture: No
Emergency SOS: Yes
Speaker: Yes
Collection: Classic
Maximum OS Supported: watchOS 10
Touchscreen: Yes
Release Year: 2018
Depth: 0,42 in
Weight: 1 oz
Apple Watch Face Size: 44
Calorie Tracker: Yes
Blood Oxygen Sensor: No
Brand: Apple
Case Color: Space Gray

Related articles

Technology
Why the Apple Watch is the perfect study buddy | Back Market
Smartwatches
Is the 1st Gen Apple Watch Still Good? | Back Market
Apple Watches
Is Apple Watch Series 4 Still Worth It? | Back Market
Apple Watches
Comparing the Apple Watch to the Amazfit GTS | Back Market
Apple Watches
Apple Watch Series 9 vs. Samsung Galaxy Watch 6: How do they stack up? | Back Market
Apple Watches
Apple Watch Series 11 colors guide: find the perfect match for your personal style | Back Market
Apple Watches
Apple Watch SE 3 review — Features, specs & buying guide | Back Market

Welcome to Back Market

The best prices for high-quality reborn tech by sellers we’ve checked and vetted. We don’t mind if you Google us.

1-year warranty
Free standard shipping
Free 30-day returns
Friendly customer service

product-page-e2e-translation-check-en-us

Stay in the loop with hot drops

Be the first to know about new arrivals, exclusive deals, and tech news that matters.

Email

By subscribing, you agree to receive our promotional communications via email. You can unsubscribe at any time using the link in any of our marketing emails, or request to access, rectify, or delete your data.

For more details, please refer to our privacy policy.

About

About us
Press
Our impact
Accessibility statement
We're hiring!
Trustpilot

Help

Contact us
Help Center
Shipping
Returns and refunds

Services

Refer a friend
1-year warranty
Protection plan
Trade-in
Student and educator program
Military program
Sellers: Register to sell
Seller portal
Back Market for Business
Payments 100% secured

Resources

Tech Journal
Compare devices
All customer reviews
Gift ideas
Black Friday

Law and order

Terms of service
Trade-in Terms and Conditions
Privacy Policy
Report illicit content

© 2026 Back Market