This is what the illumination looks like when turned on. Casio W93H-1AVBC. The color looks much bluer in real life. At least for my old eyes. : r/casio
Casio] Casio Uhr Digital W-93H-1AV schwarz Herren Übersee Modell Reim [NEU] 3356446347443 | eBay
Casio W93H-1AV Wrist Watch for Men online kaufen | eBay