1. Introduction
Thank you for choosing the Casio Women's Analog Watch, Model LQ-139EMV-7ALDF. This manual provides essential information regarding the setup, operation, and maintenance of your new timepiece. Please read these instructions carefully to ensure proper use and longevity of your watch.
2. Consignes de sécurité
- Évitez d'exposer la montre à des températures extrêmes (chaudes ou froides) ou à des changements brusques de température.
- Keep the watch away from strong magnetic fields, as this can affect timekeeping accuracy.
- Avoid contact with gasoline, cleaning solvents, aerosol sprays, adhesives, paints, etc. These chemicals can cause discoloration or damage to the resin case and band.
- Résistance à l'eau : This watch is water resistant up to 50 meters. This means it is suitable for short periods of recreational swimming, but not for diving or snorkeling. Do not operate the crown or buttons while the watch is wet.
3. Composants de la montre
Familiarisez-vous avec les principaux composants de votre montre :
- Couronne: Utilisé pour régler l'heure.
- Petite aiguille: Indique l'heure.
- Grande aiguille: Indique la minute.
- D'occasion: Indique le deuxième.
- Cas: Le boîtier principal de la montre.
- Groupe: Permet de fixer la montre à votre poignet.

Figure 3.1 : Face avant view of the Casio LQ-139EMV-7ALDF watch, showing the white dial, gold-tone hands, and black resin case and band.

Figure 3.2 : Côté view de la montre, en mettant en évidence la couronne servant au réglage de l'heure.
4. Installation
4.1 Réglage de l'heure
- Tirez la couronne jusqu'à la première position de clic.
- Turn the crown to move the hour and minute hands to set the correct time.
- Once the time is set, push the crown back in to its normal position. The second hand will begin to move, indicating the watch is operating.

Figure 4.1: The Casio LQ-139EMV-7ALDF watch worn on a wrist, demonstrating its compact size.
5. Mode d'emploi
Your Casio LQ-139EMV-7ALDF watch is designed for simple and reliable timekeeping. Once the time is set, the watch will continuously display the current hour, minute, and second.
- The watch operates on a quartz movement, ensuring accurate timekeeping with a deviation of approximately ±20 seconds per month.
- The three hands (hour, minute, second) provide a clear analog display of the time.
6. Entretien
6.1 Nettoyage de votre montre
Pour préserver l'apparence de votre montre :
- Wipe the watch case and band with a soft, dry cloth regularly to remove dirt and moisture.
- Pour les saletés tenaces, utilisez un chiffon doux.ampened with water and a mild neutral detergent. Wipe thoroughly and then dry completely.
- Do not use volatile agents (like alcohol, benzine, thinner) or strong cleaning agents, as they may damage the resin components.
6.2 Remplacement de la batterie
The watch is powered by one SR626SW lithium metal battery, which has an approximate life of 3 years. When the watch stops or the second hand moves erratically, it is an indication that the battery needs replacement. It is recommended to have the battery replaced by a qualified watch technician to ensure the water resistance seal is properly maintained.

Figure 6.1 : Retour view of the watch, showing the stainless steel case back where battery replacement is performed.
7. Dépannage
- La montre ne fonctionne pas : Check if the crown is pushed all the way in. If it is, the battery may be depleted and requires replacement.
- L'heure est incorrecte : Reset the time as described in Section 4.1. If the time continues to be inaccurate, the watch may require servicing.
- De l'eau à l'intérieur de la montre : If you notice moisture or condensation inside the watch, stop using it immediately and contact a service center. Water ingress can cause significant damage to the internal components.
8. Spécifications
| Numéro de modèle | LQ-139EMV-7ALDF |
| Dimensions du boîtier (L xlxh) | 31.2 × 25.2 × 7.5 mm |
| Poids | 11 grammes |
| Matériau du boîtier | Résine |
| Matériau de la bande | Résine |
| Résistance à l'eau | 50 mètres |
| Source d'énergie | SR626SW Battery |
| Autonomie de la batterie | Environ 3 ans |
| Matériau en verre | Verre résine |
| Précision | ± 20 secondes par mois |
| Type d'affichage | Analog (Hour, Minute, Second hands) |
| Type de fermoir | Boucle |
| Couleur du cadran | Blanc |
| Couleur de la bande | Noir |
| Diamètre du boîtier | 24 mm |
| Largeur de bande | 20 mm |
| Épaisseur du boîtier | 7.5 mm |
9. Garantie et assistance
9.1 Informations sur la garantie
This product comes with a 1-year manufacturer's warranty from the date of purchase. The warranty covers manufacturing defects under normal use. It does not cover damage resulting from misuse, accidents, unauthorized repairs, or normal wear and tear.
9.2 Assistance clientèle
For warranty claims, service, or any questions regarding your Casio watch, please contact the manufacturer or their authorized service agent. You may also refer to the retailer (e.g., Amazon) for further assistance and contact details.