Super Rare Casio F-15 Blue/Red model 1988, the brother to the white model, equally as rare, this is 1 of only two I've ever seen and is used but in great condition. :
Vintage Collection Casio Silver Watch LA670WGA-1
CASIO G-SHOCK Full Metal Square Black 5000 GMWB5000GD-1 Watch Steel – NAGI
Vintage 1988 Casio F-15 350 digital Watch Original 2 button Model NOS JAPAN! | WatchCharts
Vintage Casio Moon Graph GMW-15 Watch Mint Condition | eBay
15 16 17 18 mm Black Adjustable Survival Paracord Watch Band Casio Seiko Others | eBay
Amazon.com: Casio Women's Digital Watch with Stainless Steel Bracelet LA670W : Clothing, Shoes & Jewelry
Casio F-15 White model 1988 again a super rare Casio all original only ever seen 2 others for sale in the last 2 years, they command big money now! : r/ casio
Vintage Casio Moon Graph GMW-15 Watch | eBay
Vintage Casio F- 15 Lithium New Battery Working Order | WatchCharts
Amazon.com: Casio Id-15s-5 Wall and Table Wood Grain Pattern Clock Temperature Digital Auto Calendar Thermo Large Wall Clock Limited Edition Battery Included, Silver and Wood Grain Pattern (ID-15-5DF) : Home & Kitchen