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Round 45mm smartwatch in Mystic Black with dark strap

SAMSUNG

SAMSUNG SM-R845UZKAXAR Galaxy Watch3 45mm LTE Mystic Black wearable technology

SKU CH-AX6A-YJEH7 MPN SM-R845UZKAXAR

45mm LTE smartwatch with GPS, health sensors and a 1.4″ Super AMOLED display

  • ColorMystic Black
  • TypeSmart Watch
  • Size45mm
  • OS CompatibilityAndroid / IOS
  • SensorsAccelerometer, Barometer, Gyro Sensor, Light Sensor, Optical
  • Screen Size1.4" (34.5mm)
  • Make calls without your phone using LTE connectivity
  • Track heart health with optical sensor and ECG
  • Navigate runs using GPS, Glonass and Galileo
  • View stats on 1.4" Super AMOLED display
  • Store music offline with 8GB built-in storage

Galaxy Watch3 45mm LTE Mystic Black

The Samsung Galaxy Watch3 is a 45mm smartwatch with an embedded SIM for standalone LTE connectivity. It runs on a 1.15GHz dual-core processor with 1GB RAM and 8GB storage. The 1.4-inch Super AMOLED display shows 16M colours at 360 x 360 resolution. Sensors include an optical heart rate monitor, accelerometer, barometer, gyro and light sensor. It supports GPS, Glonass and Galileo for location tracking.

LTE and sensor suite

Built-in LTE lets you call, text and stream music without a phone nearby. The optical heart rate sensor can record a 30-second single-lead ECG when paired with a compatible Galaxy smartphone. Bluetooth 5.0 handles A2DP, AVRCP, HFP and HSP profiles for audio and calls. NFC enables contactless payments. The 340mAh battery is rated for more than a day of typical use and supports Wireless Power Share from a compatible Galaxy phone.

Suited for connected health tracking

This watch suits users who want independent cellular connectivity and advanced health sensors on Android or iOS. Buyers who need longer battery life for multi-day expeditions should look elsewhere. Those who require on-device ECG analysis without a paired Galaxy phone cannot use that feature. People who prefer a smaller case diameter may find the 45mm size too large for daily wear.

Points forts

  • Make calls without your phone using LTE connectivity
  • Track heart health with optical sensor and ECG
  • Navigate runs using GPS, Glonass and Galileo
  • View stats on 1.4" Super AMOLED display
  • Store music offline with 8GB built-in storage

Caractéristiques

BrandSamsung
SeriesGalaxy Watch3
ModelSM-R845UZKAXAR
ColorMystic Black
TypeSmart Watch
Size45mm
OS CompatibilityAndroid / IOS
SensorsAccelerometer, Barometer, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor
Screen Size1.4" (34.5mm)
Screen Color16M
Screen Resolution360 x 360
Display TechnologySuper AMOLED
Built-in Storage8GB ROM, 1GB RAM
ConnectivityType: LTE
Wi-Fi: 802.11 b/g/n 2.4GHz
Bluetooth: Bluetooth v5.0
Bluetooth Profiles: A2DP, AVRCP, HFP, HSP
Location Technology: GPS, Glonass, Galileo
NFC: Yes
Wireless802.11 b/g/n 2.4GHz
BluetoothBluetooth 5.0
Battery Type340mAh
SpecificationProcessor
Processor Speed, Type: 1.15GHz
CPU Type: Dual-Core
Network
SIM Size: Embedded-SIM
Infra: 3G WCDMA, 4G LTE FDD
3G UMTS: B2(1900), B4(AWS), B5(850)
4G LTE: B2(1900), B4(AWS), B5(850), B12(700), B13(700), B25(1900), B26(850), B66(AWS-3), B71(600)
Audio Playing Format: MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB
FeaturesGalaxy Watch3 combines powerful technology with a premium, customizable design so you can manage the day-today from your wrist, beautifully.
Keep an eye on wellness with advanced health monitoring, and go for days without charging.
Height1.82"
Width1.77"
Depth0.44"
Weight1.90 oz.
Poids d’expédition0.34 kg
Dimensions du colis287 × 69 × 33 mm

Questions sur cet article

Will the 340mAh battery need replacing after daily LTE use?

The 340mAh cell is sealed inside the 45mm case; Samsung does not publish a cycle-life rating, so plan on professional service if capacity drops noticeably after a year or two of daily charging.

What hits its limit first during a long GPS-plus-LTE run — the 1.15GHz dual-core processor or the 340mAh battery?

The 340mAh battery will deplete before the 1.15GHz dual-core processor throttles; Samsung rates the watch for more than a day of typical mixed use, but continuous GPS and LTE streaming shorten that window.

How warm does the 1.15GHz dual-core chip get when LTE and GPS run all day?

The metal case acts as a heat spreader; under sustained LTE and GPS load the back may feel warm but stays within normal skin-contact limits because the 1.15GHz dual-core processor idles between location fixes.

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