Samsung Galaxy Watch9 40mm LTE (SM-L345)

At a glance

Key facts

Exact Configuration: 40mm LTE, Graphite, SM-L345FZKAEUB
Case Sizes: 40mm
Size: 1.3 inches
Battery Life: 1.67 days
OS: Wear OS 7 with One UI 9 Watch
Weight: 31.5 gwatch body without strap

Buying advice

Choose the 40mm LTE Watch9 when you want a lighter watch that can handle calls and data without keeping the phone nearby. Its smaller 390 mAh battery is the tradeoff; the 44mm LTE model better suits buyers who value endurance and screen space.

Available specifications

30 fields · 6 unavailable fields

LAUNCH

Released: 2026-08-07

BODY

Type: smartwatch
Exact Configuration: 40mm LTE, Graphite, SM-L345FZKAEUB
Case Sizes: 40mm
Dimensions: 42.7 × 40.4 × 8.6 mm
Weight: 31.5 gwatch body without strap
Materials: aluminum
Cover Material: sapphire crystal

DISPLAY

Type: Super AMOLED
Size: 1.3 inches
Resolution: 438 x 438
PPI: -
Brightness: -
Refresh Rate: -

PLATFORM

OS: Wear OS 7 with One UI 9 Watch
Chipset: Snapdragon Wear Elite Platform (SDW6100)
Storage / RAM: 32GB storage / 2GB RAM
Compatibility: Compatible Android smartphone; selected features require a Samsung Galaxy phone and supported region

BATTERY & PRICE

Battery: 390 mAh
Battery Life: 1.67 days
Low-power Battery Life: -
Charging: -
Price: -

CONNECTIVITY

Wireless: Bluetooth 6.0 / Wi-Fi / NFC / GPS
Cellular: Supported
Durability: 5ATM
Dust Resistance: IP68
Speakers: Yes
Microphone: Yes
Sensors: Accelerometer / Barometer / Bioelectrical Impedance Analysis / Electrical heart sensor / Gyroscope / Geomagnetic sensor / Ambient light sensor / Optical heart-rate sensor / Temperature sensor

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Samsung Galaxy Watch9 40mm LTE (SM-L345)
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