"That's great for the 60s, but it's now 2018 and the time and date is available everywhere"
Everywhere YOU go, City Boy. Not me! I go places that are far from cell towers or chargers. Places that are soaking wet, or doing activities that would smash a mobile phone. My titanium field watch handles it all with aplomb and style, nearly 20 years and counting. Needs a three-dollar battery once every three years. It will still work when you are on your fifth smartphone after your current one.
Note to tech users: Your favorite widget is not the Only Way, may not be the best choice for everyone, and probably has use cases that you haven't considered. Don't be so confident declaring old tech obsolete and unneeded.