@brad_olwin Thanks to you and @isazi, using SuuntoLink worked perfectly.
In fact, it was already on my PC, so once it had updated itself the latest moves were transferred and appear on my app.
And yes, the USB lead is the same as the one recommended for Ambit. A bit pricey at £25 to be honest, but currently half price.
https://www.suunto.com/en-gb/Products/Other-accessories/USB-Power-Cable/
Much appreciated.