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Apple Watch Series 8

Size

Network:

Cosmetic Condition

Functionality

Charger Included?

Apple Watch Series 8 arrived in 2022 as Apple's mainstream smartwatch, aimed at anyone who wanted the health tracking of the Apple Watch line without stepping up to the Ultra's rugged titanium case. It kept the 41mm and 45mm sizing introduced the year before, added a skin temperature sensor, and brought crash detection to the wrist for the first time. Aluminum and stainless steel cases were both offered, and it worked equally well as a fitness tracker, a notification hub, or a stand-in for a phone on GPS+Cellular models. Even a few years out, a Series 8 in working order still pairs with current iPhones and runs current watchOS updates, which keeps demand for it steady in the used market. Pick your case size and network configuration above for a live cash offer, or see how the process works before you commit to anything. If you are ready to move on from it, you can also start the listing directly from our page to sell your smartwatch.

Confirm you have the Watch Series 8

The fastest way to confirm your exact watch is on the watch itself: open Settings → General → About, and check the Model line along with the case size and capacity shown there. If the watch won't power on, the case back carries an engraved model designation, and on cellular units a small red ring around the Digital Crown marks it as GPS+Cellular. You can also check the paired device record in the Watch app on an iPhone, under General → About.

41mm, GPS

  • Smaller of the two case sizes
  • No red ring on the Digital Crown
  • Connects over Wi-Fi and Bluetooth only, tethered to an iPhone

41mm, GPS + Cellular

  • Same case size as the GPS model
  • Red ring around the Digital Crown
  • Carries its own phone number and works away from an iPhone

45mm, GPS

  • Larger case with more room for the battery
  • No red ring on the Digital Crown
  • Same sensor suite as the 41mm GPS model

45mm, GPS + Cellular

  • Largest, most capable configuration Apple offered for Series 8
  • Red ring around the Digital Crown
  • Typically the strongest resale demand of the four

Prefer a visual check? Look at the case back for the finish and engraving, check for the red ring on the Digital Crown to confirm cellular, and weigh the watch in your hand: aluminum cases feel noticeably lighter than stainless steel, and stainless steel shows a polished or brushed surface rather than a matte one.

Core hardware

Processor

  • Apple S8 SiP with a 64-bit dual-core processor
  • Same chip across every case size and network option

Storage

  • 32GB of onboard storage on every Series 8 model
  • Fixed capacity, not user-upgradable

Health sensors

  • Third-generation optical heart sensor with ECG and blood oxygen
  • Skin temperature sensor, new to Series 8
  • Always-on altimeter

Safety features

  • Crash detection, new to this generation
  • Fall detection with automatic Emergency SOS calling

Network configuration moves resale value more than case size does. A GPS+Cellular unit works untethered from an iPhone and generally holds a stronger offer than the equivalent GPS-only model in the same case size.

Display & audio

Display

Always-on LTPO OLED Retina display, with the same thin-bordered design as the Series 7, in 41mm and 45mm case sizes.

Audio

Built-in speaker and dual microphones for calls, Siri, and voice memos, plus support for paired Bluetooth headphones for music and workout audio.

Security

Unlocks automatically via Wrist Detection while worn, with a passcode required after removal. There is no Touch ID or Face ID on the watch itself.

Ports & connectivity

The Apple Watch Series 8 has no wired data port. Charging and any wired connection run through the magnetic puck, and everything else moves over wireless radios.

Wired
  • Magnetic fast-charging connector (USB-C or USB-A cable, depending on the box)
Wireless
  • Wi-Fi
  • Bluetooth
  • NFC for Apple Pay
  • GPS
  • LTE cellular on GPS+Cellular models

Always-on Retina displayS8 SiPSkin temperature sensorCrash detectionECG & blood oxygen32GB storageOptional LTE

Battery, build & more

Battery

Apple rates the Series 8 for all-day, roughly 18-hour battery life, with a low power mode that stretches everyday use further at the cost of some background features.

Finishes

Aluminum cases came in Midnight, Starlight, (PRODUCT)RED, and Silver. Stainless steel cases came in Graphite, Silver, and Gold.

Software

Ships on watchOS at launch and continues to receive several years of subsequent watchOS updates when paired with a compatible iPhone.

Market positioning

Sits below the Ultra and above the SE in Apple's lineup. A clean Series 8 with a healthy battery and its original band still trades well against newer Series models.

Frequently asked questions

01 How do I find the model number or exact configuration?
Open Settings → General → About on the watch itself. This screen lists the model identifier, case size, and capacity, so you can confirm exactly which configuration you own without opening the case. If the watch won't turn on, the case back carries the same information as an engraving, and a red ring around the Digital Crown confirms a GPS+Cellular unit. You can also pull up the same details in the Watch app on a paired iPhone, under General → About. If none of these are available to you, our device finder can help narrow it down from what you can see or remember about the watch.
02 How do I tell it apart from the Apple Watch Series 7?
The Series 7 and Series 8 share the same case sizes, screen, and general design, so a glance won't reliably tell them apart. The dependable check is Settings → General → About, which names the exact model. Software is a second clue: the Series 8 supports crash detection in Emergency SOS settings, while the Series 7 does not, since that feature depends on hardware introduced with Series 8. If you still have the original packaging, the model name is printed on the box as well.
03 Can I sell it with damage, a weak battery, or if it won't turn on?
Yes. A cracked screen, a battery that no longer holds a full charge, or a watch that won't power on all still have value, and the condition picker above adjusts the quote to match. What we cannot accept is a watch still locked to your Apple ID through Activation Lock. Before shipping, unpair the watch from its paired iPhone (or erase it directly from the watch), which removes Find My and Activation Lock automatically. A watch that still shows as active in your account cannot be resold and will be returned.
04 What raises the trade-in value the most?
Overall condition matters most: a screen free of cracks, a case without deep dents, and a battery that still holds a reasonable charge all push the offer higher. Beyond condition, a GPS+Cellular unit typically outvalues the equivalent GPS-only model, and the 45mm case tends to edge out the 41mm. Including the original band, charging puck, and box helps too, though it is not required. Confirming Activation Lock is removed before you ship also avoids delays that can otherwise hold up payment.
05 How do I erase it, remove my accounts, and get paid?
On the watch, go to Settings → General → Reset → Erase All Content and Settings, or unpair it from the paired iPhone's Watch app, which erases the watch and removes it from your Apple ID at the same time. Confirm in Settings → General → About on the iPhone, or check Find My, that the watch no longer appears under your devices. Once it is erased and unlinked, package it up: shipping is free and insured, and payment goes out after testing, by PayPal, Venmo, Zelle, CashApp, or check. For a closer look at how erasure works across devices, see our data erasure protocols.