Clock And Watch Repair London Heathrow Airport, Hounslow - Welcome to the London Heathrow Airport Clock And Watch Repair Directory listing recommended clock and watch repair companies in London Heathrow Airport. It lists those who offer watch repair services and clock and watch repair in London Heathrow Airport, Hounslow. Do you have a London Heathrow Airport business? If so, why not advertise it on the London Heathrow Airport Business Directory - IT'S FREE.