M is probably the least likely person in the world to care about quote brand Breitling Avenger equity unquote. It's possible that M if he wore a watch at all would wear something inherited from a predecessor. I like the theory that like "James Bond" M is a title not a Vacheron Constantin Overseas person. If so then pass down the watch along with the green ink from one M to the Omega Constellation next a battered steel-cased Omega pocket watch Omeeega would do nicely.