With the 2021 Formula 1 season’s last race taking place this weekend, December 10-12, 2021, in Abu Dhabi, and Lewis Hamilton (Mercedes) and Max Verstappen (Red Bull) tied for first place, the heat is on like never before. The battle between Hamilton and Verstappen is, in essence, also a competition between the two watch brands who sponsor them: IWC (Hamilton) and TAG Heuer (Verstappen), with both brands benefitting from the battles on the track. Martin Green takes a closer look.