| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| Brand | |
| Pebble | Pebble |
| Model | |
| Watch 301 | Watch Steel 401S / 401SS |
| Released | |
| 2014 Jan | 2014 Jan 28 |
| Hardware Designer | |
| Pebble Technology | Pebble Technology |
| Manufacturer | |
| Foxlink | Foxlink |
| OEM ID | |
| PEBBLE-WATCH1 | PEBBLE-WATCH2 |
| Device Category | |
| Smartwatch | Smartwatch |
| List of Additional Features | |
|
Watch 301BL (black) / 301WH (white) / 301RD (red) / 301GR (gray) / 301OR (orange) Apple iOS support Google Android 2.3+ support scratch-resistant polycarbonate screen |
Apple iOS support Google Android 2.3+ support anti-fingerprint screen coat |
| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| Width | |
|
36 mm 1.42 inch |
34.1 mm 1.34 inch |
| Height | |
|
52 mm 2.05 inch |
46 mm 1.81 inch |
| Depth | |
|
11.5 mm 0.45 inches |
10.3 mm 0.41 inches |
| Bounding Volume | |
| 21.5 ccm | 16.2 ccm |
| Mass | |
|
37 g 1.31 ounces |
99 g 3.49 ounces |
| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| Platform | |
| Yes | Yes |
| Operating System | |
| Real Time Engineers FreeRTOS | Real Time Engineers FreeRTOS |
| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| CPU Clock | |
| 80 MHz | N/A |
| CPU | |
|
STMicroelectronics STM32F205RE 2,009 32 bit single-core |
STMicroelectronics STM32F205RE 2,009 32 bit single-core |
| RAM Type | |
| Static RAM | Static RAM |
| RAM Capacity | |
|
0.125 MiB RAM 0.03 MiB user accessible RAM |
0.125 MiB RAM 0.03 MiB user accessible RAM |
| Non-volatile Memory Type | |
| Flash EEPROM | Flash EEPROM |
| Non-volatile Memory Interface | |
| Yes | Yes |
| Non-volatile Memory Capacity | |
| 0.5 MiB non-volatile | 0.5 MiB non-volatile |
| Secondary Non-volatile Memory Type | |
| Flash EEPROM | Flash EEPROM |
| Secondary Non-volatile Memory Capacity | |
|
4 MiB sec. ROM 0.8 MiB free user storage |
N/A |
| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| Display Diagonal | |
|
32 mm 1.3 inch |
32 mm 1.3 inch |
| Resolution | |
|
144x168 24192 pixels |
144x168 24192 pixels |
| Display Width | |
|
20.83 mm 0.82 inch |
20.83 mm 0.82 inch |
| Display Height | |
|
24.3 mm 0.96 inch |
24.3 mm 0.96 inch |
| Horizontal Full Bezel Width | |
| 15.17 mm | 13.27 mm |
| Display Area | |
| 506 square millimeter | 506 square millimeter |
| Display Area Utilization | |
| 27.0% | 32.3% |
| Pixel Size | |
| 0.14462 mm/pixel | 0.14462 mm/pixel |
| Pixel Density | |
| 176 PPI | 176 PPI |
| Display Type | |
| monochrome E Ink display | monochrome E Ink display |
| Display Color Depth | |
| 2 bit/pixel | 2 bit/pixel |
| Number of Display Scales | |
| 4 | 4 |
| Display Light Reflection Mode | |
| reflective | reflective |
| Scratch Resistant Screen | |
| Yes | Corning Gorilla Glass |
| Display Module | |
| Sharp LS013B7DH01 | Sharp LS013B7DH01 |
| Graphical Controller | |
| N/A | N/A |
| A/V Out | |
| No | No |
| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| Audio Channel(s) | |
| No | No |
| Microphone(s) | |
| No | No |
| Loudspeaker(s): | |
| No | No |
| Audio Output: | |
| No | No |
| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| Supported Cellular Bands | |
| No | No |
| Complementary Phone Services | |
| Vibrating Alert | Vibrating Alert |
| Sec. Supported Cellular Networks: | |
| No | No |
| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| Expansion Interfaces | |
| No | No |
| USB | |
|
No No |
No No |
| USB Connector | |
| No | No |
| Bluetooth | |
|
Bluetooth 4.0 Internal antenna |
Bluetooth 4.0 Internal antenna |
| Wireless LAN | |
| No | No |
| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| FM Radio Receiver | |
| No | No |
| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| Supported GPS protocol(s) | |
| No | No |
| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| Camera Image Sensor | |
| No | No |
| Focus | |
| No | No |
| Flash | |
| No | No |
| Aux. Camera Image Sensor | |
| No | No |
| Aux. 2 Camera Image Sensor | |
| No | No |
| Aux. 3 Camera Image Sensor | |
| No | No |
| Aux. 4 Camera Image Sensor | |
| No | No |
| Aux. 4 Camera Focus | |
| No | No |
| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| Secondary Camera Sensor | |
| No | No |
| Sec. Aux. Cam. Image Sensor | |
| No | No |
| Sec. Aux. 2 Cam. Image Sensor | |
| No | No |
| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| Built-in compass | |
| Yes | 3D (3-axis) compass |
| Built-in accelerometer | |
| Yes | 3D (3-axis) accelerometer |
| Additional sensors | |
| Light intensity sensor | Light intensity sensor |
| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| Protection from solid materials | |
| Non-standard protection | Non-standard protection |
| Protection from liquids | |
| Non-standard protection | Non-standard protection |
| Watch 301 | Watch Steel 401S / 401SS |
|---|---|
| Battery | |
|
Lithium-ion polymer (LiPo) built-in 1-cell |
Lithium-ion polymer (LiPo) built-in 1-cell |
| Nominal Cell Capacity (1st cell) | |
| 130 mAh cell | 130 mAh cell |
| Nominal Battery Capacity | |
| 130 mAh battery | 130 mAh battery |