Casio G-Shock G-7700-1JF full review | Multi World time & Motorsports timer watch - YouTube
Casio G-SHOCK G-7700 (3095) Lap World Time 200M WR 46mm Watch - New Battery | eBay
Finally got my G-7700 back up and running. Just needed a new battery and the spring for the microphone was missing so I've finally got it replaced and beeping again. Really like