The G-Shock Watches with the Longest Battery Life (5-10 Years)
Casio G-Shock 3151 GLX-5600 Red Surf Moon Tide Watch New Battery Sports Digital | eBay
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
G-Shock DW5600 battery life « My G-Shock Feedback Forum
Casio G-Shock DW5600 vs. GWM5610 // Battle of the Beasts | WATCHSPEC