Digital Watch CASIO F-91W-1YER — Retro style, water resistant, digital display

CASIO F-91W-1YER is a retro-style digital watch with a clear segmented LCD that provides at-a-glance time information. Designed for everyday wear, this model combines a minimalist aesthetic with lightweight construction and simple controls for timekeeping, alarm and stopwatch functions. The straightforward display shows hours, minutes, seconds, day and date, while the compact resin case and adjustable strap make it suitable for continuous daily use.

Advantages

The watch offers reliable basic timekeeping in a durable, water-resistant design that withstands occasional splashes. Its simple button layout makes setting the time, alarm and activating the stopwatch fast and predictable. Low weight and a small profile provide comfortable all-day wear, and the familiar retro look pairs well with casual outfits or practical workwear.

Suitable for

• Everyday timekeeping for work, school or leisure
• Basic sports timing using the built-in stopwatch
• Light outdoor activities where splash resistance is required
• Users seeking a minimalist, retro digital watch

Key specifications

• Display: digital segmented LCD showing time, seconds, day and date
• Functions: time, daily alarm, hourly signal, 1/100-second stopwatch
• Water resistance: splash-resistant (suitable for incidental contact with water)
• Case material: lightweight resin
• Strap: adjustable resin strap with buckle
• Power source: long-life replaceable battery
• Dimensions: compact, low-profile case for comfortable wear

How to use

Use the side buttons to cycle through modes (time, alarm, stopwatch) and to set values. In time-setting mode, adjust hours, minutes, year, month and day with the dedicated buttons; confirm settings by exiting the mode. Activate and deactivate the daily alarm and hourly chime via the alarm mode controls. Start, stop and reset the stopwatch using the corresponding buttons; the 1/100-second resolution allows basic interval timing. Replace the battery when the display or functions become weak, using standard watch battery replacement procedures.

Recommendations

For reliable performance, avoid prolonged immersion in water and extreme temperatures. Clean the resin strap and case occasionally with a soft cloth and mild soap solution, then dry thoroughly. Have battery replacement and any service performed by a qualified technician to maintain water resistance and correct function.