OFFICIAL WARRANTY) Casio G-Shock GM-6900B-4 Stainless Steel Bezel Digital Red Resin Strap Watch GM6900B GM-6900B GM6900B-4 GM-6900B-4DR
CASIO G-SHOCK - METAL COVERED GM-6900 Introducing GM-6900B-4 from GM-6900 Series watches with metal bezels. It comes in Black stainless steel metal bezel with red semi-transparent band, which are the brand colors
Casio G-Shock GM-6900B-4 Red Stainless Steel Metal Bezel 25th Annivers – NAGI
Casio G-Shock GM-6900B-4ER Metal Bezel 6900 Series 25th Anniversary | Helveti.eu
Casio G-shock GM-6900G-9JF GM-6900B-4JF Digital (2604 | eBay