Samsung Galaxy Watch9 40mm
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Samsung Galaxy Watch9 40mm
New9th generationcontactless paymentphone callsswim proofperiod trackerMIL-STD-810tonometerECGGPSmapssapphire glassBluetooth v6.0wireless chargingslim
Display:1.3 ", 438x438 px, Super AMOLED
Body:aluminium, IP68 / 50 WR (5 ATM)
Health:heart rate monitor, tonometer, ECG, oxygen in the blood, stress level
Sports and tourism:swimming mode, GPS, ведение on треку, altimeter, compass
Fall detection feature. Sleep apnea detection. Fitness level indicator. New straps with Air Pocket system. Heart health index.
Compared to the Galaxy Watch8, the processor has been improved and the battery capacity increased.
All specifications
Specifications Galaxy Watch9 40mm
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E-Catalog UK editor, Smartwatches & Fitness Trackers
Serhii Shkurupii, edited 24.07.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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Series Samsung 9th generationCompare using chart →
watch phone, contactless payment, screen: 1.5 ", 498x498 px, touch, glass sapphire, application installation, Wear OS, NFC, Bluetooth v6.0, SIM card, MP3 Player, heart rate monitor, tonometer, ECG, oxygen in the blood, GPS, maps, ведение on треку, compass, altimeter, swimming mode, body: titanium, protection IP68/IP69K / 100 WR (10 ATM), MIL-STD-810
smartwatch, contactless payment, screen: 1.5 ", 480x480 px, touch, glass sapphire, application installation, Wear OS, NFC, Bluetooth v6.0, MP3 Player, heart rate monitor, tonometer, ECG, oxygen in the blood, GPS, maps, ведение on треку, compass, altimeter, swimming mode, period tracker, body: aluminium, protection IP68 / 50 WR (5 ATM), MIL-STD-810
smartwatch, contactless payment, screen: 1.3 ", 438x438 px, touch, glass sapphire, application installation, Wear OS, NFC, Bluetooth v6.0, MP3 Player, heart rate monitor, tonometer, ECG, oxygen in the blood, GPS, maps, ведение on треку, compass, altimeter, swimming mode, period tracker, body: aluminium, protection IP68 / 50 WR (5 ATM), MIL-STD-810
watch phone, contactless payment, screen: 1.3 ", 438x438 px, touch, glass sapphire, application installation, Wear OS, NFC, Bluetooth v6.0, SIM card, MP3 Player, heart rate monitor, tonometer, ECG, oxygen in the blood, GPS, maps, ведение on треку, compass, altimeter, swimming mode, period tracker, body: aluminium, protection IP68 / 50 WR (5 ATM), MIL-STD-810
watch phone, contactless payment, screen: 1.5 ", 480x480 px, touch, glass sapphire, application installation, Wear OS, NFC, Bluetooth v6.0, SIM card, MP3 Player, heart rate monitor, tonometer, ECG, oxygen in the blood, GPS, maps, ведение on треку, compass, altimeter, swimming mode, period tracker, body: aluminium, protection IP68 / 50 WR (5 ATM), MIL-STD-810
Popular questions about Samsung Galaxy Watch9 40mm
Why choose the LTE version?
Samsung Galaxy Watch9 40mm in the LTE version supports eSIM and cellular connectivity, so you can make calls and receive notifications without having your phone nearby. The standard 40mm version does not have LTE: for connectivity outside Wi‑Fi, it needs a smartphone via Bluetooth.Source:Specifications
How long does the Samsung Galaxy Watch9 last without recharging?
For the 40 mm version, it is reasonable to expect daily charging with active use. Up to 40 hours in normal mode and up to 30 hours with Always-on Display are claimed, but in a review with GPS tracking, the watch lasted just over a day, and with the display always on, less than 24 hours.Source:Specifications
Is there any point in upgrading from the Galaxy Watch8?
If the Galaxy Watch8 already meet your needs, upgrading does not seem essential: the case and core features have barely changed. The Samsung Galaxy Watch9 received a new processor, a larger battery, and additional health metrics, but the review described the gains in speed and battery life as modest.Source:SpecificationsExpert reviews
Are they suitable for a small wrist and for sleep?
Yes: the case weighs 32 g without the strap and is 8.6 mm thick, so the watch should not feel bulky on a small wrist or during sleep. The trade-off is a more compact display than the 44 mm version.Source:Specifications
Is it easy to find a new strap for the Samsung Galaxy Watch9?
The strap can be changed quickly, but before purchasing, check the compatibility of the attachment. The specifications indicate a width of 20 mm, while the review mentions the proprietary Dynamic Lug system, for which standard straps may not fit.Source:SpecificationsExpert reviews
Is a Samsung phone required for ECG and blood pressure monitoring on the Samsung Galaxy Watch9?
Yes, if these functions are important, the watch needs to be connected to a Samsung smartphone. ECG, blood pressure measurement, irregular heart rhythm notifications, and sleep apnea detection are listed in the review as functions that work specifically with Samsung phones.Source:SpecificationsExpert reviews
Samsung Galaxy Watch9 configurations
| Price for Samsung Galaxy Watch9 | ||||
|---|---|---|---|---|
 | Samsung Galaxy Watch9 40mm | from £379.00 | 2 offers | |
 | Samsung Galaxy Watch9 40mm LTE | from £235.99 | 6 offers | |
 | Samsung Galaxy Watch9 44mm | from £349.00 | 2 offers | |
 | Samsung Galaxy Watch9 44mm LTE | from £258.99 | 3 offers | |
Video reviews
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smartwatch, contactless payment, screen: 1.5 ", 480x480 px, touch, glass sapphire, application installation, Wear OS, NFC, Bluetooth v6.0, MP3 Player, heart rate monitor, tonometer, ECG, oxygen in the blood, GPS, maps, ведение on треку, compass, altimeter, swimming mode, period tracker, body: aluminium, protection IP68 / 50 WR (5 ATM), MIL-STD-810
smartwatch, contactless payment, screen: 1.1 ", 176x176 px, non-touch, NFC, Bluetooth v5.0, heart rate monitor, oxygen in the blood, GPS, ведение on треку, compass, altimeter, swimming mode, period tracker, ANT+, body: plastic, protection 100 WR (10 ATM), MIL-STD-810
watch phone, contactless payment, screen: 1.98 ", 514x422 px, touch, glass sapphire, application installation, NFC, Bluetooth v5.3, SIM card, MP3 Player, heart rate monitor, tonometer, ECG, oxygen in the blood, GPS, maps, ведение on треку, compass, altimeter, swimming mode, period tracker, body: titanium, protection 100 WR (10 ATM), MIL-STD-810
smartwatch, contactless payment, screen: 1.3 ", 416x416 px, touch, NFC, Bluetooth v5.0, MP3 Player, heart rate monitor, oxygen in the blood, GPS, ведение on треку, compass, altimeter, swimming mode, period tracker, ANT+, body: plastic, protection 50 WR (5 ATM)
fitness tracker, screen: 1.47 ", 320x172 px, touch, Bluetooth v5.3, heart rate monitor, oxygen in the blood, period tracker, body: plastic, protection 50 WR (5 ATM)
smartwatch, contactless payment, screen: 1.47 ", 480x480 px, touch, glass sapphire, application installation, Wear OS, NFC, Bluetooth v5.3, MP3 Player, heart rate monitor, ECG, oxygen in the blood, GPS, maps, ведение on треку, compass, altimeter, period tracker, body: aluminium, protection IP68 / 50 WR (5 ATM), MIL-STD-810
smartwatch, screen: 1.3 ", non-touch, Bluetooth v4.0, no heart rate monitor, body: plastic, protection 200 WR (20 ATM)
smartwatch, screen: 1.43 ", 466x466 px, touch, Bluetooth v5.3, heart rate monitor, oxygen in the blood, GPS, period tracker, body: metal, protection IP68
fitness tracker, screen: 1.72 ", 520x212 px, touch, Bluetooth v5.4, heart rate monitor, oxygen in the blood, swimming mode, period tracker, body: metal, protection 50 WR (5 ATM)
smartwatch, contactless payment, screen: 1.34 ", 438x438 px, touch, glass sapphire, application installation, Wear OS, NFC, Bluetooth v5.3, MP3 Player, heart rate monitor, ECG, oxygen in the blood, GPS, maps, ведение on треку, compass, altimeter, period tracker, body: steel, protection IP68 / 50 WR (5 ATM), MIL-STD-810
watch phone, contactless payment, screen: 1.47 ", 480x480 px, touch, glass sapphire, application installation, Wear OS, NFC, Bluetooth v5.3, SIM card, MP3 Player, heart rate monitor, tonometer, ECG, oxygen in the blood, GPS, maps, ведение on треку, compass, altimeter, swimming mode, body: titanium, protection IP68 / 100 WR (10 ATM), MIL-STD-810
smartwatch, contactless payment, screen: 1.4 ", 456x456 px, touch, application installation, Wear OS, NFC, Bluetooth v5.3, MP3 Player, heart rate monitor, ECG, oxygen in the blood, GPS, maps, compass, altimeter, period tracker, body: aluminium, protection IP68 / 50 WR (5 ATM)