How To Change The Battery On A Classic G-Shock Watch - YouTube
How to Replace G-Shock Battery in 8 Steps - DW-5600 and DW-5000 - YouTube
The Best G-Shock For Small Wrists? DW-5600 Review - Romeo's watches
Casio watch. Had it for ~20yrs. It died today but I just replaced the battery and it's back again! I had only changed batteries twice: 10 yrs ago and today. Truly BIFL