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Samsung Galaxy Watch8 Classic 46mm LTE Smartwatch in Black (SM-L505UZKAXAA)

4G LTEMPN SM-L505UZKAXAA
$535.27

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Overview

The Samsung Galaxy Watch8 Classic (SM-L505UZKAXAA) is the 46mm LTE edition in Black. It is the US unlocked (XAA) model. It pairs Samsung's signature rotating bezel and a stainless steel cushion-design case with an embedded-SIM LTE radio, so calls, messages and notifications keep working when your phone stays behind. A 3 nm processor, 64GB of storage and a Super AMOLED display rated up to 3000 nits round out a smartwatch built for workdays and workouts alike.

  • Rotating bezel and Quick Button on a stainless steel cushion-design case, 46mm
  • Embedded-SIM 4G LTE (FDD and TDD) with 3G WCDMA fallback for phone-free calls and messages
  • 3 nm penta-core processor with 2GB memory and 64GB storage
  • 1.3-inch 438 x 438 Super AMOLED display with up to 3000 nits brightness
  • Dual-band (L1 + L5) GPS plus Glonass, Beidou and Galileo
  • FDA-authorized sleep apnea risk detection, Advanced Sleep Coaching and Energy Score
  • 445mAh battery rated up to 40 hours (AOD off), 5 ATM rating
  • Stay reachable on LTE for calls, texts and alerts when your phone is left in the truck, locker or office

The Galaxy Watch8 Classic is Samsung's dress-meets-performance smartwatch. This SKU, SM-L505UZKAXAA, is the 46mm Black LTE model for the US market (XAA, unlocked). It ships with a black Hybrid band in Medium/Large. The rotating bezel gives precise, tactile control of apps. A Quick Button launches apps, times workouts and runs common routines. The Dynamic Lug System makes bands easy to swap and holds the watch snugly for accurate health readings.

Connectivity is where the LTE model earns its place. An embedded SIM covers a broad set of 4G LTE FDD and TDD bands, including B2, B4, B5, B12, B13, B14, B66 and B71, with 3G WCDMA as fallback. You can make calls, send messages, stream music and receive notifications without your phone nearby. Wi-Fi 802.11a/b/g/n on 2.4GHz and 5GHz, Bluetooth 5.3 and NFC are included. Location runs on GPS, Glonass, Beidou and Galileo, with dual-band L1 and L5 GPS for improved accuracy.

Inside, a 3 nm penta-core processor runs Wear OS Powered by Samsung with One UI 8 Watch. It is paired with 2GB of memory and 64GB of storage, 49.3GB of it available. The 1.3-inch 438 x 438 Super AMOLED display reaches up to 3000 nits for clear reading in direct sun. Google Gemini handles natural voice requests from the wrist.

Health tools include Advanced Sleep Tracking and Coaching, Bedtime Guidance, and FDA-authorized sleep apnea risk detection. Energy Score, Running Coach, personalized Heart Rate Zones and VO2 max metrics cover fitness. The 445mAh battery is rated up to 40 hours with Always On Display off and 30 hours with it on. The case is rated 5 ATM, and a wireless charger is included in the box.

Ideal for

  • Field technicians and site leads who need calls and messages on the wrist without carrying a phone
  • Managers moving between meetings who want a dress-appropriate smartwatch with LTE
  • Runners and gym users who train phone-free with GPS, Running Coach and stored music
  • Health-conscious users tracking sleep, sleep apnea risk and daily readiness

Specifications

OS

OS
Wear OS Powered by Samsung

Battery

Capacity
Battery: 445mAh (typical)
Chemistry
Lithium-ion (Li-ion)
Removable
No
Usage Time Aod ON
Up to 30 hours
Usage Time Aod Off
Up to 40 hours

Display

Size
1.3" (34mm)
Resolution
438 x 438
Technology
Super AMOLED
Color Depth
16M
Peak Brightness
Up to 3000 nits

General

MPN
SM-L505UZKAXAA
UPC
198957093579
Size
46mm
Brand
Samsung
Color
Black
Model
SM-L505U
Market
US, unlocked (XAA)
Band Size
Medium/Large
Band Type
Hybrid
Band Color
Black
Product Name
Galaxy Watch8 Classic
Watch Connectivity
LTE

Package

IN The Box
Galaxy Watch8 Classic, Wireless Charger

Sensors

Sensors
Accelerometer, Barometer, Bioelectrical Impedance Analysis, Electrical Heart, Gyro, Geomagnetic, Hall, Infrared Temperature, Light, Optical Heart Rate

Physical

Durability
5 ATM
Body Weight
63.5 g
Case Material
Stainless steel
Body Dimensions
Dimensions (HxWxD): 46.0 x 46.4 x 10.6 mm
Shipping Weight
0.56 lb

Processor

CPU Type
Penta-Core
CPU Speed
1.6GHz, 1.5GHz
Process Node
Processor: 3 nm

Audio Video

Audio Playing Format
Audio Formats: MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB

Connectivity

NFC
Yes
Wi-Fi
802.11a/b/g/n 2.4GHz+5GHz
Dual Band GPS
L1 + L5
Bluetooth Version
v5.3
Bluetooth Profiles
A2DP, AVRCP, HFP, HSP
Location Technology
GPS, Glonass, Beidou, Galileo

Network Bearer

Infra
3G WCDMA, 4G LTE FDD, 4G LTE TDD
3g Umts
B1(2100), B2(1900), B4(AWS), B5(850), B8(900)
SIM Size
Embedded-SIM
4G Fdd LTE
B1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B12(700), B13(700), B14(700), B18(800), B19(800), B20(800), B25(1900), B26(850), B28(700), B66(AWS-3), B71(600)
4G Tdd LTE
B34(2010), B38(2600), B39(1900), B40(2300), B41(2500)

Storage Memory

Memory
2GB
Storage
64GB
Available Storage
49.3GB

Questions buyers ask

Can I make calls without my phone nearby?

Yes. This is the LTE model with an embedded SIM. It can make calls, send messages, stream music and receive notifications without your phone nearby once cellular service is active on the watch.

Which phones work with the Galaxy Watch8 Classic?

Samsung lists compatibility with Samsung Galaxy smartphones running Android 12 or higher, and notes the watch also works with other Android phones through the Galaxy Wearable and Samsung Health apps.

How long does the battery last?

The 445mAh battery is rated up to 40 hours with Always On Display off and up to 30 hours with it on. Actual life varies with usage.

Is it water resistant?

The Galaxy Watch8 Classic carries a 5 ATM durability rating.

What comes in the box?

The Galaxy Watch8 Classic and a wireless charger.

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