Wrist Watch Casio Alarm Chronograph HD 690 DW-240 Quartz Original Vintage | eBay
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
Vintage Casio DW-310 Chrono Diver WR 300M Digital Mens Watch Module 690 | eBay
G-SHOCK by Casio Men's 50mm Gold Ingot Collection Quartz Digital Transparent Resin Strap Watch - ShopHQ.com