


Apple Watch Series 8 GPS + Cellular
From $133.00 - $193.00
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Product Highlights
The device, in detail
Apple Watch Series 8 GPS + Cellular
The Apple Watch Series 8 GPS + Cellular lets you call, message and stream with 4G LTE when your iPhone is not nearby. It adds Crash Detection, powered by a high-g accelerometer measuring up to 256 g-forces, to an Always-On Retina display, the ECG app and a blood oxygen sensor, with IP6X dust resistance and 50m water resistance. Discover the Apple Watch Series 8 in Singapore at MobileRelation.
Connected. Protected.
Four reasons to make the Apple Watch Series 8 yours.
Apple Watch Series 8: GPS + Cellular.
4G LTE and UMTS let you take calls, send messages and use data without your iPhone nearby, with international emergency calling. A wireless service plan is required.
4G LTE · GPS + Cellular
Crash Detection and Fall Detection.
A high-g accelerometer measuring up to 256 g-forces and a high dynamic range gyroscope power Crash Detection and Fall Detection, with Emergency SOS.
Crash Detection · Emergency SOS
Blood Oxygen and ECG.
A blood oxygen sensor for the Blood Oxygen app, an electrical heart sensor for the ECG app and a third-generation optical heart sensor.
Blood Oxygen · ECG
Aluminium or stainless steel.
Choose aluminium in Midnight, Starlight, Silver or (PRODUCT)RED, or stainless steel in Graphite, Silver, Gold or Space Black (Hermès edition), with an Always-On Retina display up to 1,000 nits.
41mm or 45mm · IP6X
Full technical details are summarised from Apple’s official Apple Watch Series 8 tech specs page.
The full picture.
Apple Watch Series 8 specifications
| Case | 41mm or 45mm · aluminium or stainless steelAluminium: Midnight, Starlight, Silver, (PRODUCT)RED · Stainless steel: Graphite, Silver, Gold, Space Black (Hermès) |
|---|---|
| Display | Always-On Retina LTPO OLED, up to 1,000 nits45mm: 396 × 484 pixels · 41mm: 352 × 430 pixels |
| Chip | S8 SiP with 64-bit dual-core processorW3 wireless chip · U1 Ultra Wideband chip · 32GB |
| Connectivity | GPS + Cellular (4G LTE and UMTS)Wi-Fi 802.11b/g/n 2.4GHz and 5GHz · Bluetooth 5.3 |
| Location | L1 GPS, GLONASS, Galileo, QZSS and BeiDouCompass · always-on altimeter |
| Health sensors | Blood oxygen sensor · electrical heart sensorThird-generation optical heart sensor |
| Safety | Crash Detection and Fall Detection (high-g accelerometer up to 256 g)Emergency SOS · international emergency calling |
| Durability | Water resistant 50m · certified IP6X dust resistant |
| Battery | Up to 18 hoursUSB-C magnetic fast-charging cable |
| Size | 41 × 35 × 10.7mm or 45 × 38 × 10.7mm |
| Weight | Aluminium: 32.2g (41mm) · 39.1g (45mm)Stainless steel: 42.3g (41mm) · 51.5g (45mm) |
| In the box (new) | Apple Watch Series 8 · band/loopMagnetic Fast Charger to USB-C Cable (1m) |
| Compatibility | iPhone 8 or later with iOS 16 or later (at launch) |
Model specifications are shown above, as published by Apple. Battery figures are Apple’s ratings for a new device; the battery health of a pre-owned unit will vary. Select your options to see current availability and the latest Apple Watch Series 8 price.
The MobileRelation difference
Buy with clarity. Upgrade with confidence.
Clearly graded.
Every pre-owned unit is Certified and clearly graded by condition, so you know exactly what you are getting before you buy.
See it in store.
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Support beyond the sale.
Read our warranty information for details on coverage and after-sales support.
Good questions. Clear answers.
Apple Watch Series 8 FAQs
Can the Apple Watch Series 8 work without my iPhone?
Yes. This GPS + Cellular model supports 4G LTE and UMTS, so with a wireless service plan it can make calls and use data without your iPhone nearby.
Does it have Crash Detection?
Yes. Apple lists a high-g accelerometer measuring up to 256 g-forces with Fall Detection and Crash Detection.
Which cases are available?
41mm or 45mm in aluminium (Midnight, Starlight, Silver, (PRODUCT)RED) or stainless steel (Graphite, Silver, Gold, Space Black Hermès), subject to stock.
Is it waterproof?
Apple lists water resistance to 50 metres and certified IP6X dust resistance. It is suitable for swimming but not scuba diving.
How long does the battery last?
Apple rates it at up to 18 hours for a new unit. A pre-owned unit’s battery health will vary.
What does “Certified” mean?
It is a pre-owned unit that has been checked and graded by condition. Select your options to see what is in stock, and ask our team for warranty details.
| Device Status | Pristine – Excellent Condition, Mint – Great Condition, Well-Used – Good Condition |
|---|---|
| Diameter | 41mm, 45mm |
| Case Material | Aluminum – Midnight, Aluminum – Starlight, Aluminum – Silver, Aluminum – (PRODUCT)RED, Stainless Steel – Graphite, Stainless Steel – Silver, Stainless Steel – Gold, Stainless Steel – Space Black (Hermès Edition) |
| Activation Status / Certified Status | Certified |
- Free Delivery: Enjoy free delivery within 2–4 business days.
- Price Changes: Prices may be subject to change at any time without prior notice.
- Handling Pricing or Stock Errors: In the event of any pricing or stock errors, we reserve the right to cancel orders or make necessary adjustments.
- Packaging & Accessories: A charging cable is provided with every pre-owned device. For Original box and accessories may not be included with pre-owned devices. Included items may vary by unit.
Please refer to our Warranty Information page for full terms and conditions for all brands.
Warranty InformationEvery Purchase Has a Story
From choosing the right device to bringing it home, every customer has a different experience with MobileRelation. Here are a few stories they shared with us.
Moments Worth Remembering
A new device often marks the beginning of something exciting. Here are some of the happy moments we’ve had the pleasure of sharing with our customers at MobileRelation.







