Casio F-91WC-4A2EF unisex yellow retro style resin watch, it has a stainless steel back and a Orange digital dial. Casio Retro Digital Watch.
eBay
For Casio F91W/F84/F105/108/A158/168/W-59/AE1200/1300/1000. Couleur : noir. 1-3g d'erreur de poids. Veuillez vous assurer que cela ne vous dérange pas avant de passer commande.
eBay
This watch is in very good condition being hardly worn and working well. Will come with the box and the paperwork. Dispatched with Royal mail. Returns were only accepted for damage in transit only and not for any other reason such as a change of mind fit et cetera. Please see all photos that form part of the description and the main condition detail. 
eBay
Orologio Casio F91W, classico intramontabile perfetto per ogni occasione. Leggero, resistente all’acqua e dotato di batteria a lunga durata (fino a 7 anni). Il design semplice e il prezzo accessibile lo rendono una scelta popolare in tutto il mondo. Spedizione rapida e sicura.
eBay
Suitable for Casio watch models: F91W/F84/F105/108/A158/168/AE1200/1300. Size: 18mm convex opening. 1 Watch strap. Due to different lighting in the photos and differences in monitors, the pictures may not reflect the actual colour of the object.
eBay
Datum / Kalender. Modell F-91W. Automatischer Kalender Damit Sie auch in dunkler Umgebung alles im Blick behalten, wird das Display per Knopfdruck von einer Micro-Lampe erhellt. Zifferblattfarbe Grau.
eBay
Includes 1 strap, 3 spring bars, and a spring bar tool. It fits 18–0.79 in lugs and is designed for Casio F-91W, A158, and A168 models that use an 18–0.79 in band. What Casio models is this band compatible with?.
eBay
Suitable model: Universal Casio 18mm. W800H /SGW400H /AE1200/1300/F91W/ F84/ F105/108/A158/168. Size: 18mm. Strap material: Stainless Steel. Buckle Color: black/ silver. -- 1 x Watch Band. Strap weight: about 40g.
eBay