Apple Watch Series 5 40mm – Space Gray Aluminum/Black Sport Band
- TrueGrade tested — passes our 25-point inspection
- Fast, tracked shipping
- 90-day returns
- Up to 70% cheaper than new
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Buy a certified refurbished Apple Watch Series 5 40mm in Space Gray Aluminum/Black Sport Band from $90 at Device Giant — every Watch Series 5 40mm is fully tested under our 25-point TrueGrade inspection, ships unlocked-ready, and is backed by our 90-day warranty and free US shipping. The Apple Watch Series 5 40mm, released in 2019, was a significant step forward for smartwatches, introducing the highly anticipated Always-On Retina display. This feature allowed users to see the time and complications without needing to raise their wrist, enhancing convenience and usability. Beyond its display, the Series 5 continued to build on Apple's health and fitness focus, offering an Electrical Heart Sensor (ECG app) for on-demand heart rhythm checks and a built-in compass for improved navigation. Compare grades, storage and carrier options below and save versus buying new.
Watch Series 5 40mm key features
- Always-On Retina Display
- ECG App
- Built-in Compass
- Fall Detection
- Water Resistant 50m
- Cellular Connectivity (optional)
- Comprehensive Activity Tracking
- Emergency SOS
Watch Series 5 40mm full specifications
| Display | 1.57 inches Always-On Retina LTPO OLED, 394 x 324 pixels, 60Hz (variable to 1Hz) |
|---|---|
| Processor | Apple S5 SiP with 64-bit dual-core processor |
| RAM | 1GB |
| Storage | 32GB |
| Battery | 245 mAh, Proprietary magnetic charging |
| Build | Aluminum, Stainless Steel, Titanium, or Ceramic case; Glass front (Ion-X or Sapphire); Ceramic/Sapphire crystal back, Water resistant 50m |
| Operating system | watchOS 6 |
| Network | LTE (GPS + Cellular models only), Wi-Fi, Bluetooth 5.0. No 5 |
| Dimensions | 40 x 34 x 10.7 mm |
| Weight | 30.8 g |
| Display protection | Ion-X strengthened glass (Aluminum models), Sapphire crystal glass (Stainless Steel/Titanium/Ceramic |
| GPU | Integrated with S5 |
| SIM | eSIM (Cellular models only) |
| Wireless charging | Proprietary inductive charging |
| Wi-Fi | Wi-Fi 802.11 b/g/n 2.4GHz |
| Bluetooth | 5.0, A2DP, LE |
| NFC | Yes |
| Headphone jack | No |
| Stereo speakers | No |
| Sensors | Accelerometer, Gyroscope, Barometric altimeter, Ambient light sensor, Electrical heart sensor (ECG), Optical heart sensor (2nd gen), Compass |
| Colours | Gold Aluminum/White Sport Band, Gold Stainless Steel/White Sport Band, Silver Aluminum/Black Sport Band, Silver Aluminum/White Sport Band, Space Gray Aluminum/Black Sport Band, Silver Stainless Steel/Black Sport Band |
Why buy a refurbished Watch Series 5 40mm?
- Save big — a used Watch Series 5 40mm starts at just $90, well below retail.
- 25-point TrueGrade tested — battery, screen, cameras, buttons and network all verified.
- 90-day warranty & free shipping on every Watch Series 5 40mm.
- Better for the planet — buying refurbished keeps e-waste out of landfills.
- Upgrade to a newer Apple Watch model
- Still offers valuable health and fitness features
- Always-On display remains a desirable feature
Watch Series 5 40mm pros and cons
Pros
- Always-On Retina display
- ECG app for heart health monitoring
- Built-in compass for navigation
- Robust fitness and activity tracking
- Seamless integration with the Apple ecosystem
Things to know
- Older processor compared to current models
- Shorter battery life than newer generations
- Lacks blood oxygen and temperature sensing
- No fast charging support
Carrier compatibility
This refurbished Watch Series 5 40mm is available unlocked and compatible with GPS. Check the carrier selector above — we only show options we have in stock so you can buy the exact Watch Series 5 40mm that works on your network.
Storage options
Choose the Watch Series 5 40mm in 32GB. Pick more storage for photos, apps and offline media.
TrueGrade condition guide
- Grade A — Excellent: like-new, minimal to no visible wear.
- Grade B — Great: light signs of use, fully functional.
- Grade C — Fair: visible wear at the best price.
- As-is / damaged: clearly described cosmetic or functional notes, priced accordingly.
Watch Series 5 40mm — frequently asked questions
Is the Apple Watch Series 5 40mm still worth buying in 2026?
Yes — with Always-On Retina Display and a proven design, the Watch Series 5 40mm remains a great-value refurbished phone, especially at $90 with a 90-day warranty.
Does the refurbished Watch Series 5 40mm come unlocked?
Most Watch Series 5 40mm units are sold unlocked and ready for GPS. Carrier-specific versions are clearly labeled in the carrier selector.
How much does a used Watch Series 5 40mm cost?
At Device Giant a refurbished Watch Series 5 40mm starts from $90, with the exact price depending on storage, carrier and TrueGrade condition.
What's included with a refurbished Watch Series 5 40mm?
Your Watch Series 5 40mm ships fully reset and tested with a compatible charging cable, a 90-day warranty and free shipping. Accessories vary by condition.
What do the condition grades mean?
See the TrueGrade guide above — A (excellent), B (great), C (fair) and clearly-described as-is options, so you can pick the right balance of price and cosmetics for your Watch Series 5 40mm.
Every device is graded for cosmetic condition and tested for full function against our TrueGrade 25-point inspection. Buying refurbished keeps a working phone out of landfill — better for your wallet and the planet.
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Better for your wallet & the planet
Every refurbished phone is a win for the planet
Choosing refurbished over new keeps a working device out of landfill — and skips the carbon, water and raw materials it takes to build a brand-new one. A small choice with real impact.
Less carbon
Most of a phone's lifetime emissions come from manufacturing. Reuse skips nearly all of it.
Less e-waste
Millions of devices are trashed every year. Every reused phone is one less in a landfill.
Fewer raw materials
No new mining of rare metals, no manufacturing water use — the device already exists.
Circular by design
When a device truly can't be saved, we harvest its working parts and recycle the rest responsibly.
Refurbished is not a compromise. It is the smarter, greener way to buy tech, and every TrueGrade device ships tested, graded and ready for its second life. See how we do it →