Vintage Casio DW-3000 Module 548 Works Fine Japan Made Mens Watch 300M | eBay
DW-3000 also known as The Tank Casio : r/casio
The story of the DW-3000 DataBank : r/casio
Thougher then a G-Shock? | WatchUSeek Watch Forums
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