CASIO G-SHOCK GSR-H1000AS-SET GPS Heart Rate Monitor Run Watch Japan Domestic | eBay
G-SQUAD | CASIO
Casio's G-Shock GBD-H1000 running watch is powered by the sun | British GQ
Vintage Casio JC-11 (880) Jog & Walk Pacer Running Man LCD Digital Watch | eBay
Casio J-50 Running Man Watch - A fresh look at this classic vintage jogging watch! - YouTube
Why the Casio is the ultimate 'naked' running watch
This only started in June when my running watch died. I Googled "cheap simple watch" and saw the f91w for the first time. I've now spent as much as replacing my Garmin