You have then failed to understood the detail of that advertisement. I included it because it has the missing details you asked about.
You wanted the pitch of the FPC connector. It is clear from this that it is 0.7mm:
There are other specification details there as well:
| Size: 1.3 inch | |
| Active Area: 23.4*23.4 mm | |
| Module Size: 26.16*29.22 mm | |
| Resolution: 240*240 (Display direction can be adjusted, horizontal screen and vertical screen are OK) | |
| Drive IC: ST7789 | |
| Color: Full Color | |
| Viewing Direction: Full viewing angle | |
| Interface: 4-Wire SPI Interface | |
| PIN NO.: 12Pin | |
| Voltage: 3.3V | |
| Working Temp.: -20 ~ 70 degree |

