I finished restoring my 1986 DW-3000 "The Tank" is now has a 690 module with more functions, new gaskets and a vintage looking leather strap. What du you think? : r/casio
For Casio DW 3000 HD Clear Crystal Protector Anti Scratch Set of 4 | eBay
Vintage Casio Dw-3000 Digital Watch Water Resist 300m Stopwatch for sale online | eBay