Casio Vintage Digital Watch - Blue - 36mm

It is water-resistant for daily use, such as splashes or rain, but it should not be submerged in water or worn while swimming.

Yes, the sliding clasp is designed to be adjustable by the user with a small flat-head screwdriver or similar tool.

This specific model features a high-contrast display for daylight readability, but does not include an internal light.

The watch utilizes a standard long-life lithium battery, typically lasting several years depending on usage.

This variant (A158WEA-2EF) features a distinct, eye-catching blue dial.

The watch features an integrated bracelet design tailored specifically to the 36mm casing.

This is typically a sign that the battery needs to be replaced by a professional jeweler.

Ensure the watch has not been exposed to extreme magnetic fields, which can interfere with quartz movements.

Check to see if the alarm function is toggled 'on' and that you have not accidentally muted the hourly chime.