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. :
Hay alguna manera de conseguir este reloj? CASIO 80's - Forocoches
Vintage 1980s Original Casio F15 Digital Watch F series 350 Module NOT WORKING | WatchCharts
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 F- 15 Lithium New Battery Working Order | WatchCharts Marketplace