That's a no-brainer, look at the price by weight. You can get over 6 times as much 1980's supercomputer for a dollar as you can 2019 watch.
1980 watches: 30g and cost $35
https://www.timex.com/browse/collections/ironman/
(sorry)
https://www.timex.com/browse/collections/ironman/
(sorry)
2019 watches: 30g and cost $400