Found a pic!
https://www.ebay.ca/itm/307000855474
They also sold a pen/stylus combo:
http://www.vintagecalculators.com/html/pulsar_calculator_watch.html
Found a pic!
https://www.ebay.ca/itm/307000855474
They also sold a pen/stylus combo:
http://www.vintagecalculators.com/html/pulsar_calculator_watch.html