When you compare the DW6600 & 6900 side by side, there really isn't that much difference in the size of the hours and minute numerals. The date is obviously bigger on the
VINTAGE CASIO G-Shock DW-6600 Korea mod 1199 Working USED | eBay
WTS] Casio G-Shock DW-6600 Rare No G Backlight 1199 Module Illuminator American Sniper Digital Watch w/Full Kit | WatchCharts Marketplace
G-Shock Dw-6600 Watches for Men | Mercari
Second DW-6600 revival model coming: G-Shock DW-6600PC-5 in Vintage Product Series with GA-100PC-7A2 and GA-400PC-8A - G-Central G-Shock Fan Site
Amazon.com: Casio DW-6600PC-5JF [G-Shock Vintage Product Colors Theme Model] Watch Japan Import June 2023 Model : Clothing, Shoes & Jewelry
Pre-Owned Used Casio DW-6600C-1 G-Shock Original Digital Mens Watch DW — Finest Time
Casio G-Shock DW6600 - Bradley Cooper - American Sniper | Watch ID