The Hewlett Packard HP01 is a calculator watch and is considered to be the first smartwatch. Introduced in 1977 at the height of the LED wristwatch craze, five models were available, two gold filled models and three stainless models, with prices ranging from $450 to $850. Most of the 28 buttons on the HP-01 are recessed, and are designed to be depressed with a stylus that is stored in the band. The production was stopped by the end of 1979, making them quite rare.
The HP-01 is unique not only as the only Hewlett-Packard watch but it’s also Hewlett-Packard’s first algebraic calculator. It can perform intricate time calculations and also display the day of the week for any date from 1900 to 2099.
I can’t seem to get it to connect to my phone’s bluetooth though.
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