The Watch could get messages from M and perhaps print them over a ticker-tape to get conveniently examine afterwards. Pretty in advance of its time for your seventies, I’d say. The Gruen Precision grew to become synonymous with Bond’s early adventures. He wore just one which has a black fabric https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/