Samsung Galaxy Watch9 40mm Bluetooth Smart Watch - Graphite | SM-L340NZKAEUB
The Samsung Galaxy Watch9 40mm combines Galaxy AI health coaching, advanced fitness tracking and powerful Snapdragon performance in a slim, lightweight smartwatch. Its bright Super AMOLED display, sapphire crystal protection and comfortable Armor aluminum case make it a practical companion for everyday wear and exercise.
- ✔️ Galaxy AI Energy Score and Heart Health Score
- ✔️ Snapdragon Wear Elite 5-core, 3 nm processor
- ✔️ BioActive Sensor with ECG, heart rate and BIA
- ✔️ Sleep Coaching, Running Coach and 90+ sport tracking modes
- ✔️ 3,000-nit Super AMOLED display, 5 ATM water resistance and Wear OS 7
Shipping and Delivery🚚📦
Delivery within 2-3 working days for orders placed before 12pm.
More InfoDue to an exceptionally high volume of orders, dispatch times may be slightly delayed. We apologise for any inconvenience and appreciate your patience.
We Currently Don't Ship to Mainland UK
Samsung Galaxy Watch9 40mm Bluetooth Smart Watch - Graphite | SM-L340NZKAEUB is backordered and will ship as soon as it is back in stock.
Product Information
At Callaghan Electricals, we know that staying on top of your health and fitness is easier with the right technology on your wrist. The Samsung Galaxy Watch9 40mm combines Galaxy AI health coaching with advanced activity tracking to provide useful insights into your daily wellbeing. Its personalised Energy Score uses overnight health and sleep data to help you understand your readiness for the day, while the Heart Health Score offers an additional view of cardiovascular wellness over time.
Powered by the Snapdragon Wear Elite Platform, a 5-core processor built on a 3 nm process, the Galaxy Watch9 delivers responsive performance for everyday apps and health features. The BioActive Sensor combines ECG, optical heart rate monitoring and Bioelectrical Impedance Analysis (BIA) in one sensor. Its 390 mAh battery provides up to 40 hours of use with Always On Display switched off, helping you keep track of activity and sleep without frequent charging.
The 1.34-inch Super AMOLED display offers up to 3,000 nits brightness and sapphire crystal glass protection for clear viewing in a range of conditions. Galaxy AI Sleep Coaching provides a personalised 3–4 week programme, while Running Coach creates structured training plans with fitness metrics such as VO2 Max, running imbalance and ground contact time. With automatic tracking for over 90 sport types, Wear OS 7, Google Gemini, NFC payments and Bluetooth 6.0, this 40mm smartwatch is designed to support both everyday convenience and active lifestyles.
Features and Benefits
- Galaxy AI Health Coaching - Personalised Energy Score and Heart Health Score help you understand daily readiness and monitor wellness trends.
- Snapdragon Wear Elite Platform - A 5-core processor built on a 3 nm process delivers responsive smartwatch performance.
- 390 mAh Battery - Provides up to 40 hours of use with Always On Display switched off.
- BioActive Sensor - Combines ECG, optical heart rate monitoring and BIA measurements in one sensor.
- Sleep Coaching - A personalised 3–4 week programme analyses sleep patterns and provides guidance, with sleep apnea risk detection.
- Running Coach - Structured training plans use metrics including VO2 Max, running imbalance and ground contact time.
- Automatic Sport Tracking - Recognises and tracks over 90 sport types without requiring manual logging.
- 1.34-inch Super AMOLED Display - Offers up to 3,000 nits brightness for clear viewing, protected by sapphire crystal glass.
- Durable Construction - Armor aluminum case with MIL-STD-810H certification and 5 ATM water resistance to 50 metres.
- Wear OS 7 and Google Gemini - Provides access to Google services and voice assistance from your wrist.
- Bluetooth 6.0 and NFC - Supports wireless connectivity and convenient contactless payments.
- Slim, Lightweight Design - Measures 42.7 x 40.4 x 8.6 mm and weighs 31.5 g without the strap.
- Long-Term Software Security - Security updates are supported until 31 July 2031.
- 2-Year Warranty - Includes a two-year manufacturer's warranty for added peace of mind.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.





