Mobile / Smartwatches

SamsungSmartwatch

Galaxy Watch Ultra

Released 24 July 2024.1 Last checked 23 October 2026.

Case size: 47mm
Platform: Wear OS
Display type: OLED
Battery life: 60h

87 of 150 fields known.

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At a glance

Water resistance
10ATM1
Higher than 75% of other smartwatches.

All specs

SourceCalculatedHide missing

General

Series: Galaxy Watch1
Model numbers: SM-L705UDAAXAA, SM-L705UZWAXAA, SM-L705UZTAXAA4
GTIN / EAN: 887276873039, 887276866468, 8872768664754
Announced: 10 July 20241
Status: Not available
Predecessor: Not available
Successor: Samsung Galaxy Watch Ultra2 8 9
Launch price (US): $649.991 4
Launch price (EU): €6995
Markets: Not available
Colours: Titanium Gray, Titanium White, Titanium Silver1 4
Segment: Not available
OS updates promised: Not available
Security updates until: Not available

Case

Front and side, drawn to scale.

Case size: 47mm1
Case shape: Other1
Case material: Mixed materials1
Case material (as published): Grade 4 titanium on the front and back cover areas, plastic and Grade 2 titanium for the rest of the frame1
Back: Not available
Case dimensions: Height47.4Width47.1Thickness12.1mm(1.9 × 1.9 × 0.5 in)1
Weight (case only): 60.5g(2.1 oz)1
Weight with strap: Not available

Durability

Water resistance: 10ATM1
Water resistance standard: ISO 228101
Dust and water rating: IP681
Dive rating: Not available
Max dive depth: Not available
MIL-STD-810: Yes1
MIL-STD-810 tests: Temperature cycling: -20 C for 1 hour and 50 C for 1 hour, repeated for 6 hours1
Operating temperature: Min-20Max55°C1 2

Display

Display type: OLED1
Display type (as published): Super AMOLED1
Screen size: 1.5in(3.8 cm)1
Resolution: 480 × 480px1
Pixel density: Not available
Display area: Not available
Touchscreen: Yes3
Max refresh rate: Not available
Min refresh rate: Not available
Peak brightness: 3,000nits1
Minimum brightness: Not available
Always-on display: Yes1
Display cover: Sapphire1
Display cover (as published): Sapphire Crystal1

Platform

Platform: Wear OS1
OS at launch: Wear OS 51
Software: Not available
Latest OS: Not available
Works with: Android1
Phone requirement: Android 11 or later with more than 1.5 GB of memory. Excludes Android Go edition and phones without Google Play Store.1
App store: Yes1
Voice assistants: Bixby, Google Gemini2 3
Chipset: Samsung Exynos W10001
Process: 3nm1
CPU cores: 51
CPU configuration: Count Core Max clock (GHz)
1 Cortex-A78 1.6
4 Cortex-A55 1.5
Source7
Max CPU clock: 1.6GHz
GPU: Not available
Low-power coprocessor: Not available

Count	Core	Max clock (GHz)
1	Cortex-A78	1.6
4	Cortex-A55	1.5

Memory

RAM: 2GB1
Storage: 32GB1

Health sensors

Heart rate sensor: Samsung BioActive Sensor1
ECG capability: Yes1 2
Blood oxygen sensing: Yes3
Skin temperature sensing: Yes1
Blood pressure feature: Not available
Body composition sensor: Yes1
Skin conductance (EDA): Not available
Medical clearances: FDA De Novo authorization for Sleep Apnea feature (US)1 2

Motion and environment sensors

Accelerometer: Yes1
Accelerometer range: Not available
Gyroscope: Yes1
Barometric altimeter: Yes1
Compass: Yes1
Ambient light sensor: Yes1
Depth gauge: Not available
Depth gauge range: Not available
Water temperature sensor: Not available

Health and fitness

Health features: Blood oxygen app, Sleep tracking, Stress tracking, Readiness score, Cycle tracking, Body composition, ECG app, Irregular rhythm notifications, Sleep apnea notifications2 3
Fitness features: Pool swim, Open water swim, Trackback1 2
Sport profiles: Not available
Dive modes: Not available
External sensors: Power meter1

Safety

Fall detection: Yes3
Car crash detection: Not available
Emergency SOS: Yes3
Emergency siren: Not available
Live location sharing: Not available
Dedicated LED flashlight: Not available

Positioning

Positioning: GPS (L1+L5), GLONASS, BeiDou, Galileo1
Dual-band GNSS: Yes2
Offline maps: Not available

Connectivity

Bluetooth: Yes1
Bluetooth version: 5.31
Wi-Fi: Yes1
Wi-Fi standard: Not available
Wi-Fi bands: 2.4 GHz, 5 GHz1
Cellular: Yes1
Network: LTE1
4G bands: Not available
5G bands: Not available
NFC: Yes1
Contactless payments: Yes3
Payment services: Samsung Wallet3
Ultra-wideband: Not available
Satellite: Not available
ANT+: Not available

Audio

Speaker: Yes3
Microphones: Not available
Calls on the watch: Cellular or phone3
Music on the watch: Yes3

Controls

Buttons: 33
Named operating buttons: Home button, Quick button, Back button3
Crown: None3
Rotating bezel: Not available
Gestures: Not available

Battery and charging

Battery capacity: 590mAh1
Claimed battery life: Mode With solar Hours (h)
Always-on No 60
Low power No 100
Source1 2
Smartwatch mode (claimed): Not available
AOD battery life (up to): 60h
GPS mode (claimed): Not available
Solar charging: Not available
Charging method: Proprietary wireless charger1
Charging guidance: Samsung lists Fast Charging (WPC-based wireless charging). Samsung tested with the Galaxy Watch Magnetic Fast Charging USB-C Cable (EP-OR900) and a 25 W USB-C adapter (EP-TA800) sold separately. Adapter ratings do not establish the power the watch accepts.1
Max charging power (watch): Not available
Fast charging: Yes1
Quick charge claim: Not available
Charge 0 to 80% (claimed): Not available
Full charge time (claimed): Not available

Mode	With solar	Hours (h)
Always-on	No	60
Low power	No	100

Measured

We could not find any of these 4 fields. Show them

Peak brightness (measured): Not available
Battery life (measured): Not available
Battery tests (measured): Not available
Full charge time (measured): Not available

Strap

Lug width: Not available
Quick-release strap: Yes3
Strap system: Dynamic Lug System for Galaxy Watch Ultra bands6
Strap material: Hydrogenated nitrile butadiene rubber (HNBR)6
Strap: Marine Band6
Strap sizes: Not available

Regulatory

We could not find any of these 4 fields. Show them

FCC ID: Not available
SAR limb (US): Not available
SAR limb (EU): Not available
Other certifications: Not available

In the box

We could not find any of these 2 fields. Show them

In the box: Not available
Power adapter in box: Not available

Warranty

We could not find any of these 1 fields. Show them

Manufacturer warranty (source market): Not available

Compare with

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Variants

Each variant lists only what differs from the specs above.

Model number	GTIN	Colours
SM-L705UDAAXAA	887276873039	Titanium Gray
SM-L705UZWAXAA	887276866468	Titanium White
SM-L705UZTAXAA	887276866475	Titanium Silver

Sources

We read 9 sources for this smartwatch. The numbers match the markers in the sheet.

Press releasenews.samsung.com/us/samsung-galaxy-ring-watch7-watch-ultra-wearables-provide-intelligent-health-wellness-data
Read 10 October 2026Backs 60 fields
Maker product pagesamsung.com/us/watches/galaxy-watch-ultra
Read 10 October 2026Backs 9 fields
Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx
Read 10 October 2026Backs 16 fields
Maker spec sheet (PDF)image-us.samsung.com/SamsungUS/samsungbusiness/solutions/industries/government/msrp-price-sheets/08142024/Samsung_Wearables_MSRP_Price_File_July_2024.pdf
Read 10 October 2026Backs 5 fields
Press releasenews.samsung.com/de/samsung-erweitert-wearables-portfolio-intelligentes-gesundheitstracking-fur-alle
Read 10 October 2026Backs 1 field
Maker product pagesamsung.com/ae/support/mobile-devices/what-are-the-size-material-and-color-options-for-galaxy-watch7-and-galaxy-watch-ultra
Read 10 October 2026Backs 3 fields
Maker product pagesemiconductor.samsung.com/processor/wearable-processor/exynos-w1000
Read 10 October 2026Backs 1 field
Reviewgsmarena.com/the_galaxy_watch_ultra2_is_slimmer_and_has_a_huge_battery_watch9_arrives_in_40mm_and_44mm_sizes-news-73831.php
Read 23 October 2026Backs 1 field
Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wrist
Read 23 October 2026Backs 1 field

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SuccessorSamsung Galaxy Watch Ultra2