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
Metal Case For Dw5600 Luxury Bezel For For G-shock Gw-m5600 Stainless Steel Watch Case For Casio Gw5600 Accessories - Watch Cases - AliExpress