Drat.. I answered hublot first then changed it. They were wearing tag Heuer connected watches for a while.They are Hublot Big Bang smartwatches, the same watches used in the 2018 World Cup.
Hublot and Tag Heuer are owned by the same company (LVMH).
Hublot to be Premier League's official timekeeper
Premier League to partner with the Swiss luxury watch maker from the start of the 2020/21 seasonwww.premierleague.com