There's a version of a smartwatch that tells you the time and counts your steps. Then there's the Apple Watch Series 11, which is something genuinely different — a health companion that tracks your heart, your sleep, your blood oxygen, and now your blood pressure trends, all from your wrist, all day long. For anyone who's wanted a watch that does more than ping notifications at them, the Series 11 is the most capable wearable Apple has ever made.
The headline addition is hypertension alerts, based on a 30-day optical heart rate reading. That sits alongside two heart sensors, wrist temperature sensing, a blood oxygen monitor, and a Sleep Score feature that grades and summarizes your rest each morning. The Always-On Retina LTPO3 OLED display is 2x more scratch-resistant than Series 10 thanks to tougher Ion-X glass, and at up to 2000 nits of brightness, it's genuinely readable in direct sunlight. Battery life has improved to up to 24 hours of standard use—or up to 38 hours in Low Power Mode—making it the first Watch generation that comfortably survives a full waking day plus sleep tracking without needing a top-up.
On the practical side, the Series 11 keeps full compatibility with all existing Apple Watch bands, so nothing you already own needs replacing. Cellular models add 5G connectivity, meaning calls, messages, and Apple Pay work independently of your iPhone. The WR50M water resistance rating covers swimming up to 6 meters, and the IP6X dust resistance rating means it handles everything from beach runs to dusty gym bags without complaint. Fast charging gets the Watch to 80% in around 30 minutes, making the brief charge window it does need easy to fit into a morning routine.
A used Apple Watch Series 11 from Fone4U gives you all of that health capability at a lower price than new, tested before it's listed, and delivered fast across Ireland. Available in 42mm and 46mm sizes in aluminum and titanium case options—browse the current stock on Fone4U to find your size and finish.
Specifications
| Spec | 42mm | 46mm |
|---|---|---|
| Display | 1.77" LTPO3 OLED, Always-On | 1.96" LTPO3 OLED, Always-On |
| Resolution | 374 × 446 px | 416 × 496 px |
| Peak Brightness | 2000 nits | 2000 nits |
| Chip | Apple S10 (dual-core CPU) | Apple S10 (dual-core CPU) |
| Storage | 64GB | 64GB |
| Glass | Ion-X (Aluminium) / Sapphire (Titanium) | Ion-X (Aluminium) / Sapphire (Titanium) |
| Case Materials | Aluminium or Grade 5 Titanium | Aluminium or Grade 5 Titanium |
| Water Resistance | WR50M (50 metres), IP6X dust-proof | WR50M (50 metres), IP6X dust-proof |
| Battery Life | Up to 24 hours (standard) | Up to 24 hours (standard) |
| Low Power Mode Battery | Up to 38 hours | Up to 38 hours |
| Fast Charging | 80% in ~30 minutes | 80% in ~30 minutes |
| Connectivity | GPS + Cellular (LTE / 5G) or GPS only | GPS + Cellular (LTE / 5G) or GPS only |
| Health Sensors | ECG, Blood Oxygen, Wrist Temperature, Optical Heart Rate | ECG, Blood Oxygen, Wrist Temperature, Optical Heart Rate |
| New Health Features | Hypertension alerts, Sleep Score, Sleep tracking | Hypertension alerts, Sleep Score, Sleep tracking |
| Crash & Fall Detection | Yes | Yes |
| Operating System | watchOS (compatible with iPhone 11 or later) | watchOS (compatible with iPhone 11 or later) |
| Band Compatibility | Compatible with all previous Apple Watch bands | Compatible with all previous Apple Watch bands |
| Colours (Aluminium) | Jet Black, Rose Gold, Space Gray, Silver | Jet Black, Rose Gold, Space Gray, Silver |
| Colours (Titanium) | Slate, Gold, Natural | Slate, Gold, Natural |
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