Got this GShock GW-M5600 since 2008. Battery went to low only once after I started getting into Seikos. It's my time reference when I set my automatic watches :) : r/BuyItForLife
Casio GW-M5600 is not worth repairing
One of my G-Shock grails, the GW-M5600-1, acquired Friday, 01/25
G-Shock GW-M5600-1JF Multiband 5 & Tough-solar watch review | Might be more than that... - YouTube