
Apple Watch SE 3 GPS + Cellular
From $173.00 - $373.00
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Product Highlights
The device, in detail
Apple Watch SE 3 GPS + Cellular
The Apple Watch SE 3 GPS + Cellular supports 5G (RedCap) and LTE, so you can call, message and stream without your iPhone nearby. The S10 chip powers single tap, double tap and wrist flick gestures, and the Always-On Retina display sits behind Ion-X glass with 4x crack resistance. Sleep score, a temperature sensor, Crash Detection and fast charging are built in. Discover the Apple Watch SE 3 in Singapore at MobileRelation.
Essential features. Full freedom.
Four reasons to make the Apple Watch SE 3 yours.
Apple Watch SE 3: 5G and LTE.
Supports RedCap for 5G and LTE, so you can take calls, send messages and stream without your iPhone nearby. A wireless service plan is required.
5G RedCap · LTE
S10 chip with gestures.
The S10 chip with a 4-core Neural Engine and 64GB of storage powers single tap, double tap and wrist flick gestures.
S10 · 64GB · Gestures
Sleep score and safety.
Sleep score, sleep stages, sleep apnoea notifications and a temperature sensor, plus Crash Detection, Fall Detection, Emergency SOS and Check In.
Sleep score · Crash Detection
Fast charging and Low Power Mode.
Up to 18 hours of normal use or 32 hours in Low Power Mode, fast charging to 80% in about 45 minutes, and water resistance to 50 metres.
18h · 32h Low Power · WR 50m
Full technical details are summarised from Apple’s official Apple Watch SE 3 tech specs page.
The full picture.
Apple Watch SE 3 specifications
| Case | 40mm or 44mm aluminiumMidnight · Starlight |
|---|---|
| Display | Always-On Retina display with OLED and LTPO1,000 nits peak · 2 nits minimum · 326 ppi |
| Front glass | Ion-X glass with 4x crack resistance |
| Chip | S10 chip with 64-bit dual-core processor4-core Neural Engine · 64GB |
| Controls | Digital Crown with haptic feedback · side buttonSingle tap, double tap and wrist flick gestures |
| Connectivity | GPS + Cellular · 5G (RedCap) and LTEWi-Fi 4 (802.11n) 2.4GHz · Bluetooth 5.3 · L1 GPS |
| Sensors | Optical heart sensor · temperature sensorCompass · always-on altimeter · high-g accelerometer · gyroscope |
| Health | Sleep score · sleep apnoea notifications · Sleep app with sleep stagesIrregular rhythm notifications · Cycle Tracking |
| Safety | Emergency SOS · Fall Detection · Crash DetectionCheck In · Backtrack · noise monitoring |
| Durability | Water resistant 50m (swimproof) |
| Battery | Up to 18 hours · up to 32 hours in Low Power ModeFast charge up to 80% in about 45 minutes |
| Size | 40 × 34 × 10.7mm or 44 × 38 × 10.7mm |
| Weight | 26.4g (40mm) · 33.0g (44mm) |
| In the box (new) | Apple Watch SE 3 · strapMagnetic Fast Charger to USB-C Cable (1m) |
| Compatibility | iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later |
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 SE 3 price.
The MobileRelation difference
Buy with clarity. Upgrade with confidence.
Clearly sourced and graded.
Choose brand new or Certified pre-owned, with every pre-owned unit clearly graded by condition, so you know exactly what you are getting.
See it in store.
Visit our Singapore outlets and check the watch in person. Find an outlet
Trade in. Move up.
Put the value of your current device towards your next one. Explore trade-in
Support beyond the sale.
Read our warranty information for details on coverage and after-sales support.
Good questions. Clear answers.
Apple Watch SE 3 FAQs
Can the Apple Watch SE 3 work without my iPhone?
Yes. This GPS + Cellular model supports 5G (RedCap) and LTE, so with a wireless service plan it can make calls and use data without your iPhone nearby.
Does it have ECG or Blood Oxygen?
These are not listed in Apple’s SE 3 tech specs. For ECG and Blood Oxygen, see the Apple Watch Series 11.
How fast does it charge?
Apple lists fast charging up to 80% in about 45 minutes, and up to 18 hours of normal use for a new unit.
Which sizes and colours are available?
40mm or 44mm aluminium in Midnight or Starlight, subject to stock.
Which iPhones work with it?
Apple lists iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later.
What is the difference between Not Activated and Activated?
Both options are brand new. Ask our team how each option affects the warranty start date.
| Device Status | Brand New, Pristine – Excellent Condition, Mint – Great Condition, Well-Used – Good Condition |
|---|---|
| Diameter | 40mm, 44mm |
| Case Material | Aluminum – Midnight, Aluminum – Starlight |
| Activation Status / Certified Status | Not Activated, Activated, 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.




