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Sport Band
Solo Loop
Apple Watch SE 3 brings the Always-On Retina display, sleep tracking with sleep score, crash and fall detection and fast charging to an aluminium watch at the lowest price in the range. It comes in 40mm and 44mm, with GPS or GPS + Cellular.
Compatible with: iPhone (latest iOS)
| Case | Aluminium in Midnight or Starlight |
|---|---|
| Sizes | 40mm (324 x 394 pixels) and 44mm (368 x 448 pixels) |
| Display | Always-On Retina LTPO OLED, up to 1,000 nits, Ion-X glass |
| Chip | S10 with 64-bit dual-core processor and 4-core Neural Engine; 64GB storage |
| Health sensing | Second-generation optical heart sensor, temperature sensor; irregular rhythm and sleep apnoea notifications, sleep score |
| Battery life | Up to 18 hours normal use, up to 32 hours in Low Power Mode; 80% charge in about 45 minutes |
| Water resistance | 50 metres (swimproof) |
| Connectivity | Bluetooth 5.3, Wi-Fi 4, L1 GPS; GPS + Cellular models add RedCap 5G and LTE |
| Safety | Emergency SOS, Fall Detection, Crash Detection, Check In |
| Wrist sizes | 40mm fits 130-200mm wrists, 44mm fits 140-245mm wrists |
| Compatibility | Requires an iPhone with the latest iOS |
| Type | Retina LTPO OLED, 1000 nits (peak) |
|---|---|
| Size | 1.78 inches |
| Resolution | 448 x 368 pixels (~326 ppi density) |
| Protection | Ion-X strengthened glass (2025 gen) |
| OS | watchOS 26, upgradable to watchOS 27 |
|---|---|
| Chipset | Apple S10 |
| CPU | Dual-core |
| GPU | PowerVR |
| Storage and RAM | 64GB |
|---|---|
| Memory card | None |
| Speaker | Yes |
|---|
| Wi-Fi | Wi-Fi 802.11 b/g/n |
|---|---|
| Bluetooth | 5.3, A2DP, LE |
| Positioning | GPS, GLONASS, GALILEO, QZSS |
| NFC | Yes |
| Sensors | Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass, temperature (body) |
|---|---|
| Other | Media playback |
| Capacity | Li-Ion |
|---|---|
| Charging | Wireless, 80% in 45 min |
| Dimensions | 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in) |
|---|---|
| Weight | 26.4 g or 33 g (1.16 oz) |
| Build | Glass front, plastic/sapphire crystal back, aluminum frame |
| SIM | eSIM |
| Water resistance | 50m water resistant |
| Technology | GSM / HSPA / LTE / 5G |
|---|---|
| Speed | HSPA, LTE, 5G |
| Announced | 2025, September 09 |
|---|---|
| Status | Available. Released 2025, September 19 |
Midnight, Starlight
Delivery in 11-15 business days, free over £100.00 to the UK, otherwise £39.99. Delivered within the United Kingdom.
Full shipping policy →Apple Smartwatches
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The Apple Watch SE 3 has a 1.78-inch Retina LTPO OLED display at 448 x 368 pixels. Peak brightness is 1000 nits, so it stays readable in sunlight. The screen is covered by Ion-X strengthened glass (2025 gen).
Apple lists battery life as: Up to 18 hours normal use, up to 32 hours in Low Power Mode; 80% charge in about 45 minutes. Charging: Wireless, 80% in 45 min.
It is water resistant, with these ratings listed: 50m water resistant. That suits swimming in a pool and sweaty workouts. Avoid high-pressure water, such as water-skiing, and keep it away from soaps and perfumes.
It carries these sensors: Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass, temperature (body).
Yes. Apple Watch is set up and managed from an iPhone, and the models are designed to work with the latest version of iOS. It cannot be paired with an Android phone.
It has Bluetooth 5.3, Wi-Fi, GPS positioning and NFC for contactless payments. Cellular versions use an eSIM, so you can make calls and use data without your phone nearby, if your network supports it.
Yes. It is new and sealed, and it carries a 12-month NexCell warranty, which we handle directly. The Warranty page explains what is covered and how to claim.
