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This document provides instructions for the genuine Casio Replacement Watch Strap/Band, designed to fit specific Casio PRG-240 and PRG-40 models. This factory-made strap ensures a perfect, secure, and comfortable fit, utilizing high-quality resin materials consistent with original Casio watch components.
The model number of your Casio watch can typically be found on the back casing, which is essential for verifying compatibility with this replacement strap.
Característiques clau
- Original Genuine Casio Replacement Watch Strap/Watch Band.
- Specifically designed to fit Casio watch models: PRG-240-1BV, PRG-240-1V, PRG-240-1BJ, PRG-240-1J, PRG-40-3VDR, PRG-40-3VER, PRG-40-3VGR, PRG-40-3VUR, PRG-40-3VZDR, PRG-40-3VZER.
- Constructed from durable resin material.
- Features a robust buckle clasp.
- Color: Negre.
Configuració i instal·lació
Installing your new Casio watch strap requires careful attention to ensure a secure fit. The strap is designed for direct replacement of the original band.
Eines necessàries:
- Small flat-head screwdriver or watch spring bar tool.
- Small pliers (optional, for grip).
Passos d'instal·lació:
- Remove the Old Strap:
Locate the screws or spring bars connecting the old strap to the watch case. For screw-type connections, it is crucial to hold one end of the two-part screw firmly while unscrewing the other end. Attempting to unscrew only one side without securing the other will cause the screw to spin freely. Carefully remove both parts of the old strap.

Image: The two parts of the Casio watch strap, ready for installation. The longer piece is the main strap, and the shorter piece includes the buckle.
- Prepare the New Strap:
Unpack the new strap. Ensure all components, including the buckle and any necessary pins or screws, are present. The strap comes in two sections, one with the buckle and one with the holes.

Image: The new Casio watch strap as it appears in its original packaging.
- Attach the New Strap:
Align the new strap pieces with the watch case lugs. Insert the screws or spring bars through the strap and into the corresponding holes on the watch case. If using screws, ensure both ends are properly aligned and then tighten them securely, but do not overtighten to avoid damaging the strap or watch case.

Image: The Casio watch strap with its metal buckle, showing the attachment points.
- Verifica la seguretat:
Gently pull on both ends of the installed strap to confirm it is securely attached to the watch case. The strap should not wobble or detach.
Funcionament i ajust
Once installed, the watch strap operates like any standard watch band. The buckle allows for easy adjustment to fit various wrist sizes.
Portar el rellotge:
- Posa't el rellotge al canell.
- Passa l'extrem de la corretja per la sivella.
- Insert the buckle pin into one of the adjustment holes on the strap that provides a comfortable and secure fit.
- Secure the excess strap through the keeper loops to prevent it from flapping.

Imatge: Un primer pla view of the buckle and the "PRO TREK" branding, indicating the strap's design.

Imatge: Una imatge detallada view of the strap's adjustment holes and textured surface, designed for comfort and durability.
Manteniment
To ensure the longevity and appearance of your resin watch strap, follow these simple maintenance guidelines:
- Neteja: Wipe the strap regularly with a soft, damp cloth to remove dirt, sweat, and oils. For more stubborn grime, a mild soap solution can be used, followed by rinsing with clean water and thorough drying.
- Eviteu productes químics durs: Do not expose the resin strap to strong chemicals, solvents, or abrasive cleaners, as these can degrade the material and affect its color and integrity.
- Emmagatzematge: When not in use, store the watch in a cool, dry place away from direct sunlight and extreme temperatures, which can cause the resin to become brittle over time.
Resolució de problemes
While this genuine replacement strap is designed for specific Casio models, some common issues may arise:
- Strap Does Not Fit:
Ensure your watch model number precisely matches one of the compatible models listed in the "Key Features" section (PRG-240-1BV, PRG-40-3VDR, etc.). This strap is not universally compatible with all Casio watches, including models like PRG-270-1, despite similar appearances.
- Difficulty During Installation:
If the screws or pins are difficult to insert or remove, ensure you are using the correct tools and applying even pressure. For screw-type connections, remember to hold both ends of the screw mechanism to prevent spinning.
- Strap Feels Loose After Installation:
Double-check that the screws or spring bars are fully seated and tightened. A loose strap can indicate improper installation or incompatible parts.
Especificacions
| Atribut | Detall |
|---|---|
| Número de model de producte | CASIO_STRAP_10036568 |
| Material | Resina |
| Color | Negre |
| Dimensions del producte | 7.68 x 1.97 x 0.59 polzades |
| Pes de l'article | 0.71 unces |
| Tipus de tancament | Push Button Hidden Clasp |
| Fabricant | Casio |
Garantia i Suport
For specific warranty information regarding this genuine Casio replacement watch strap, please refer to the documentation provided with your original Casio watch or contact Casio customer support directly. As a replacement part, its warranty may be covered under the original watch's warranty or a separate policy for accessories.
For further assistance or to explore other genuine Casio products, you may visit the official Casio store:





