# T-Watch Ultra (LILYGO)

> An ESP32-S3 watch with a 2.06-inch AMOLED touchscreen, LoRa, GNSS, NFC, SD card and an 1100 mAh battery.

- **Category:** Wearables
- **Availability:** Sold out
- **Price:** US$78.32 (at lilygo.cc), checked 2026-09-17
- **Good for:** A bright colour LoRa watch with GNSS and NFC for custom firmware.
- **You'll need:** Firmware of your own or a community build.
- **Trade-off:** AMOLED costs battery; sold out at the time of review.
- **Page:** https://gadgets.sh/devices/lilygo-t-watch-ultra/

## Where to buy

| Shop | Status | Link |
|---|---|---|
| LILYGO | Sold out at LILYGO | https://lilygo.cc/products/t-watch-ultra?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=lilygo-t-watch-ultra&utm_content=api |

## Blueprint

**Schematics published.** LILYGO's shared LilyGoLib repo has a PDF schematic for the T-Watch Ultra; no 3D case files or PCB source found for this model specifically.

### Design files

- schematic: [T-Watch Ultra V1.0 schematic (PDF, 25-07-24)](https://github.com/Xinyuan-LilyGO/LilyGoLib/blob/master/schematic/T-Watch%20Ultra%20V1.0%20SCH%2025-07-24.pdf) (PDF)

### Source repositories

- [Xinyuan-LilyGO/LilyGoLib](https://github.com/Xinyuan-LilyGO/LilyGoLib) — sdk, MIT, ★139

### Key parts

| Part | Role | Datasheet |
|---|---|---|
| ESP32-S3 | MCU + Wi-Fi/BT | https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf |
| SX1262 | LoRa radio | https://www.semtech.com/products/wireless-rf/lora-connect/sx1262 |
| CO5300 | AMOLED display driver |  |
| CST9217 | capacitive touch controller |  |

_Notes:_ Only a PDF schematic is published (no case STL/STEP found under case/ for 'ultra'). The generic 'case/t-watch/' strap-hook STLs likely predate this model and may not fit it.

## Specifications

### Core hardware

| | |
|---|---|
| Processor | ESP32-S3 · 16 MB flash · 8 MB PSRAM |
| Display | 2.06″ CO5300 AMOLED · 410 × 502 · capacitive touch (CST9217) |
| Radios | SX1262 LoRa · Wi-Fi 802.11 b/g/n · Bluetooth LE 5.0 · GNSS · NFC |
| Power | 1100 mAh (4.07 Wh) · AXP2101 PMU |

### Details from the product page

| | |
|---|---|
| Size | 49 × 63.5 × 22 mm |
| On board | PMU, microphone, MAX98357A amplifier, RTC, vibration motor, SD card, self-learning AI sensor |
| Haptics | DRV2605 driver |
| Development | Arduino, ESP-IDF, VS Code, MicroPython |

### Buying

| | |
|---|---|
| Price | US$78.32 on lilygo.cc |
| Availability | Out of stock on the day of review |

## Documentation

- [Maker product page](https://lilygo.cc/products/t-watch-ultra)
- [LILYGO GitHub organisation](https://github.com/Xinyuan-LilyGO)
- [LILYGO FAQ and support](https://lilygo.cc/pages/faqs)

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Source: gadgets.sh · https://gadgets.sh/devices/lilygo-t-watch-ultra/ · JSON: https://gadgets.sh/api/v1/devices/lilygo-t-watch-ultra.json