Samsung Galaxy Watch9 Smartwatch 40mm Bluetooth, 1.34" Super AMOLED, Wear OS 7, 5ATM + IP68, Graphite
Brand:
Samsung
Samsung Galaxy Watch9 Smartwatch 40mm Bluetooth, 1.34" Super AMOLED, Wear OS 7, 5ATM + IP68, Graphite
€464.56 inc. VAT
SM-L340NZKAEUB
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Samsung Galaxy Watch9 — 40mm Bluetooth Smartwatch, Graphite
Wear OS 7 · One UI 9 Watch1.34" sapphire AMOLED5ATM · IP68 · MIL-STD-810HUp to 40 h battery
The Samsung Galaxy Watch9 40mm Bluetooth (SM-L340NZKAEUB, Graphite) is a Wear OS 7 smartwatch with a 1.34-inch Super AMOLED display under sapphire crystal, the Samsung BioActive health sensor and a 390mAh battery, for Android phone users who want detailed health and fitness tracking, notifications and contactless payments on the wrist.
Launched in August 2026, it runs on the Snapdragon Wear Elite platform with 2GB RAM and 32GB storage, adds dual-frequency GPS for accurate outdoor tracking, and is rated 5ATM, IP68 and MIL-STD-810H. This is the Bluetooth version — it uses your phone's connection for calls and data and has no SIM or eSIM. Samsung provides security updates until 31 July 2031.
Before you order: Works with Android phones running Android 13 or later with more than 1.5GB RAM and Google Mobile Services. iPhone is not listed as supported. Several health features (Heart Health Score, Sleep Apnea, Vitals, Cardio Load) need a Samsung Galaxy phone and Samsung Health.
What's in the Box
- Samsung Galaxy Watch9 40mm Bluetooth (SM-L340NZKAEUB), Graphite, with Sport Band
- Watch charging cable as supplied by Samsung
- Quick start guide
- No USB power adapter
What It Means in Practice
- The 1.34-inch 438 × 438 AMOLED reaches up to 3,000 nits, so the always-on display stays readable in strong sun; sapphire crystal resists scratches far better than glass.
- Battery life is up to 40 hours with always-on display off, or about 30 hours with it on — plan on charging daily or every other night.
- Dual-frequency GPS (GPS, GLONASS, BeiDou, Galileo, QZSS) tracks runs and rides accurately even between tall buildings, without carrying the phone.
- The BioActive Sensor combines optical heart rate, electrical heart (ECG hardware), body composition (BIA) and skin temperature; Samsung Health on a Galaxy phone unlocks the full feature set.
- 5ATM and IP68 mean swimming in a pool or the sea and showering are fine; MIL-STD-810H covers drops and temperature extremes.
What Will Not Work
- iPhone: not listed by Samsung as compatible — choose an Apple Watch for iOS.
- No LTE: without the phone nearby there are no calls, messages or mobile data (Wi-Fi still works).
- Advanced health features (Heart Health Score, Sleep Apnea, Vitals, Daily Cardio Load) are not available with non-Samsung Android phones.
- Not suitable for diving or high-velocity water sports — 5ATM is for swimming.
- Not a medical device: heart and body-composition readings are for wellness tracking, not diagnosis.
Key Features
BioActive health sensor
Heart rate, ECG hardware, body composition (BIA), skin temperature and sleep tracking in one sensor module.
Sapphire AMOLED display
Up to 3,000 nits always-on Super AMOLED under scratch-resistant sapphire crystal.
Dual-frequency GPS
Accurate phone-free tracking for running, cycling and hiking.
Built to last
Aluminium case, 5ATM, IP68 and MIL-STD-810H, with security updates until July 2031.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight · Buyer's Guide
The Galaxy Watch9 is the smartwatch we recommend to Samsung phone owners first, because that is where every health feature is unlocked; on other Android phones it is still an excellent fitness and notification watch. Spare bands, protectors and chargers are in our phone accessories range.
✓ Buy it if you use an Android phone (ideally a Galaxy) and want accurate health, sleep and GPS tracking with a bright, scratch-resistant screen.
✕ Skip it if you use an iPhone, need LTE for phone-free calls, or want multi-day battery life.
→ Also consider the other Galaxy Watch9 size if you prefer a larger 44mm case, or an LTE version for calls without the phone.
Not sure your phone is compatible? Send us the phone model and we will check it before you order.
Features - Samsung - SM-L340NZKAEUB
Colour
black
More Details
Product Code
04:605126
EAN Code
8806099273071
Manufacturer
Samsung