Epson gets tracking with Runsense GPS watches and Pulsense HR a
Benj Edwards on Twitter: "Epson RC-20 (1985), first true smartwatch; could run standalone apps loaded from ROM and display them on its LCD http://t.co/6yNO3WupcX" / Twitter
Epson Gps Sports Monitor Running Watch Sf-510 Quartz Digital Bluetooth | eBay