I bought a bunch of Casio from a recycling company. Under them was this vintage DW-9000 (in near mint condition). New battery and it's runs flawlessly. I paid 40€ for 11 watches,
Casio G-Shock DW-9000 Wristwatch for sale online | eBay
My restored DW-9000, wedding gift from my wife. : r/gshock