The Watch could receive messages from M and also print them on a ticker-tape to get conveniently examine later. Very in advance of its time for the nineteen seventies, I’d say. French watchmaker Baltic introduced new generations of two of its longstanding traces, the HMS (pictured) along with the Bicompax https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/