T-Watch S3

LILYGO · Wearable

Compare with other devices

Price: $42.98[2]

Specifications

SpecificationValue
Product statusActive [2]
LoRa chipSX1262 [1]
ProcessorESP32-S3 [1]
Radio powerUnknown
Frequency bands433 MHz, 868 MHz, 915 MHz [1]
GPSNot supported [1]
Display typeLCD [1]
Display size1.54 in [1]
Display details1.54-inch 240 × 240 IPS LCD touchscreen [1]
InputTouchscreen [1]
Battery470 mAh [1]
Dedicated solar inputNo [1]
AntennaUnknown
IP ratingUnknown
Dimensions51.5 × 42 × 20 mm [1]
WeightUnknown
T-Watch S3 product photo
Image: LILYGO

Firmware support

FirmwareSupportDetails
MeshtasticOfficial [5]
Details
Build target(s)
t-watch-s3
Minimum version
2.1.20.470363d

Confirm your exact device in the official flasher before choosing a build.

Meshtastic web flasher
MeshCoreUnsupported—
UMSHUnsupported [6]—

Where to buy

Vendor / configurationPriceBased inShips from
LILYGO
433 / 868 / 915 / 920 MHz / 2.4 GHzFrom $42.98
Observed 2026-10-19
🇨🇳🇨🇳🇺🇸🇨🇦🇪🇺
OpenELAB
US site
915 MHz		$73.29
Observed 2026-10-19
Unknown🇪🇺🇺🇸🇨🇳
Rokland
915 MHz$59.97
Observed 2026-10-19
🇺🇸🇺🇸

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Notes

This is the original sub-GHz SX1262 watch. The separate S3 Plus adds GNSS and a larger battery; the retail S3 family also includes a different 2.4 GHz radio configuration.

[1] [2]

Sources

  1. LILYGO T-Watch S3 documentation
  2. LILYGO T-Watch S3 product variants
  3. LILYGO T-Watch S3 hardware notes
  4. Meshtastic T-Watch S3 device page
  5. Meshtastic officially supported device directory
  6. UMSH hardware support list
  7. Meshtastic firmware exact product target introduction
  8. Rokland LILYGO® T-Watch S3 open-source smartwatch with LoRa and ESP32 US915 Mhz listing
  9. OpenELAB US store: LILYGO T-Watch S3 Programmable Touchable WIFI BLE LoRa Meshtastic

Last updated 2026-10-20