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Samsung Galaxy Watch 9 BT Graphite 40mm

SM-L340NZKAXSA
NEW PRODUCT
$649
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Product Overview

The Samsung Galaxy Watch 9 BT 40mm (SM-L340NZKAXSA) in Graphite. Be the master of your own health and wellness journey with Galaxy Watch9. Designed to simplify wellness and empower you to live better every day(1). Seamless sleep, heart and fitness tracking turns complex data into meaningful insights that can help you make real lifestyle changes. Slim, light and incredibly comfortable, it's made to move with you, from your first stretch to the last step of the day. A softer band, sleeker profile(2) and up to 20% larger battery(2) means that you can stay one step ahead. 

While you rest, the new 'Vitals' feature quietly monitors five key body metrics, picking up the subtle signals your body sends every night, so that you can wake up to a holistic health snapshot. Enjoy access to even more personalised health and wellness data at no extra cost with the Samsung Health App, and personalise your wearable experience with intuitive AI features(3) like Smart Tiles and Voice AI. Available in a range of three stylish colours for wellness that fits your style.

Disclaimer:
(1) Intended for fitness and wellness purposes only.
(2) Compared to Galaxy Watch8 40mm.
(3) Basic Samsung Galaxy AI features are free. Future releases may be offered on a paid basis. Different terms may apply for third party AI features.

Key Features

  • Sapphire Crystal Display with 438x438 resolution and a brightness level of up to 3,000 nits
  • Slim, light with soft band, sleek profile
  • Personalise your wearable experience with intuitive features
  • WPC Wireless Charging + Fast Charging

Key Specifications

Brand:
Samsung
Model Number:
SM-L340NZKAXSA
Compatible Phones:
Best with Samsung Galaxy Phones
Face Size (mm):
40
Display:
1.34" Sapphire Crystal
GPS:
GPS, Glonass, Beidou, Galileo, QZSS

Phones & Wearables

Strap:
Dynamic Lug System and airy, flexible Sport Band

Screen Technology

Display Resolution (px):
438x438
Peak Brightness (Nits):
3000

Capacity

Storage Capacity:
32GB
Memory:
2GB

Connections

Connections:
802.11a/b/g/n 2.4GHz+5GHz, Bluetooth v6.0, NFC
Cellular or Wi-Fi Only:
Wi-Fi Only

Power & Charging

Battery Life:
Up to 40 Hours with Always On Display off, Up to 30 Hours with AOD on

Options

Sensor Technology:
Accelerometer, Barometer, Bioelectrical Impedance Analysis, Electrical Heart, Gyro, Geomagnetic, Light, Optical Heart Rate, Temperature
Trackers:
All-day health tracking

Safety

Water Resistant:
5 ATM + IP68 / MIL-STD-810H

General Information

Type:
Smart Watch
Family:
Galaxy Watch9
Colour:
Black
Supplier Colour:
Graphite
Band Colour:
Black
Materials:
Aluminum
Operating System:
Wear OS Powered by Samsung
Processor:
Snapdragon® Wear Elite Platform
Additional Features:
Microphone. Speaker, New UX (One UI 8), Personalised Running Coach, Gemini on Watch, AI Powered Insights & Tracking, Generative Tiles, Raise to Talk
What's In The Box:
Watch face, Sport Band S/M, Wireless Charger, Quick Start Guide

Warranty

Manufacturer's Warranty:
2 Year

Phones & Wearables

Strap:
Dynamic Lug System and airy, flexible Sport Band

Capacity

Storage Capacity:
32GB
Memory:
2GB

Power & Charging

Battery Life:
Up to 40 Hours with Always On Display off, Up to 30 Hours with AOD on

Safety

Water Resistant:
5 ATM + IP68 / MIL-STD-810H

Warranty

Manufacturer's Warranty:
2 Year

Product Dimensions

Product Height (mm):
42.7
Product Width (mm):
40.4
Product Depth (mm):
8.6
Product Weight (g):
31.5

Box Dimensions

Box Height (mm):
40
Box Width (mm):
43
Box Depth (mm):
9
Box Weight (kg):
0

No reviews found for this product.

The below information is AI generated based on Australian websites information around this item. We have done our best to ensure its accuracy but suggest verifying any information within this tab before purchasing.

At a glance

The Samsung Galaxy Watch 9 BT Graphite 40mm is a compact premium smart watch for Android users who want health insights, fitness tracking and comfortable all-day wear. Its key strengths are Samsung's polished ecosystem, preventive wellness features and a faster chip. The main limitation is that the design changes are minimal, and the battery improvement appears modest rather than a major leap.

What it’s great for

  • Daily health tracking
  • Everyday fitness
  • Notifications and calls via Bluetooth
  • Comfortable all-day wear
  • Android companion use

Where it works best

  • Home
  • Office
  • Gym
  • Walking and running routes
  • Everyday commuting

Who it’s for

  • Android user
  • Health-conscious wearer
  • Casual exerciser
  • Everyday professional
  • Samsung ecosystem user

Things to consider

Compared with more rugged or longer-lasting specialist smart watches, this 40 mm Bluetooth model appears to focus more on comfort and everyday wellness than on major battery gains or a bold redesign.

Fitness tracking suitability

8/10 - strong for everyday fitness and wellness tracking, with more focus on general health use than specialist endurance training.

Ios/android compatibility score

6/10 - best suited to Android users, especially within the Samsung ecosystem; cross-platform appeal is less clear than some rivals.

All-day comfort rating

9/10 - the compact 40 mm size and comfort-focused fit make it well suited to extended daily wear.

Battery endurance rating

7/10 - the larger battery is a welcome step up, but available information suggests the gain may be modest rather than class-leading.

Professional vs casual fit

Balanced - sleek enough for work settings, but still clearly designed for everyday casual and fitness use.

Key benefits

  • 40 mm case: A compact size that suits smaller wrists and users who prefer a lighter, less bulky watch feel.
  • Bluetooth connectivity: Ideal for users who want smart watch features paired with their phone without paying extra for LTE.
  • Preventive health features: Helps users keep a closer eye on wellness trends and day-to-day health habits.
  • Faster chip: Delivers a more responsive feel for navigating apps, tracking activity and using watch functions.
  • All-day comfort fit: Designed for extended wear, making it easier to keep the watch on from morning through night.
  • Larger battery: Offers an incremental battery improvement over the previous generation for everyday use.
  • Graphite finish: A versatile darker colour that pairs easily with workwear, casual outfits and most bands.
  • Band choice support: Compatible styling options let users tailor the watch for sport, casual wear or a softer fabric feel.

Q: What does the BT version of the Samsung Galaxy Watch9 40mm mean for calls and messages?

A: BT means this SM-L340NZKAXSA model is the Bluetooth version, not the LTE version. It handles calls, texts and app alerts when connected to a compatible phone, but it does not use a mobile network on its own when you leave the phone behind.

Q: Is the 40mm Samsung Galaxy Watch9 a better fit for smaller wrists?

A: Yes, the 40mm case is the more compact Galaxy Watch9 size and usually suits smaller wrists or buyers who prefer a lighter watch. The trade-off is a smaller display area than the 44mm version, so compare both sizes in the range if screen space matters.

Q: How can I confirm this watch is the Samsung Galaxy Watch9 model SM-L340NZKAXSA?

A: Check the product label on the box or the watch settings for the model code SM-L340NZKAXSA. Matching that code confirms this exact Bluetooth 40mm Graphite variant, which is useful when comparing accessories, setup guides or replacement bands.

Q: Is the larger battery on the Galaxy Watch9 40mm enough for day and night wear?

A: Yes, the battery is rated for up to 40 hours with the always-on display off, or up to 30 hours with it on, which supports all-day wear including overnight sleep tracking. Actual runtime still depends on screen brightness, notification volume and workout tracking, so heavier use will drain it faster than basic everyday use.

Q: Do the Galaxy AI features on this Samsung Galaxy Watch9 require an extra subscription?

A: Basic Samsung Galaxy AI features are included at no extra cost on Galaxy Watch9. Samsung notes that future AI releases may be paid and third-party AI features can have different terms, so feature availability may change over time.