Hi guys got a video here today on a chronograph from AliExpress, its pretty good, the app is a little basic but it seems to work as it should. I had to re calibrate my chronograph for it to be accurate to my master chronograph. But it seems to work fine.
https://www.aliexpress.com/item/1005007327811231.html
https://www.aliexpress.com/item/1005007352633426.html
Sekhmet gauges: 10% off
Code: "SUB12"
https://www.sekhmetonline.com/?ref=SUB12
Merchandise link:
https://personalised.clothing/sub12airgunners