Description
CASIO F-91WS-4EF is the iconic F-91W with a lighter and more playful personality. The translucent pink skeleton-style case and strap give the classic design a fresh summer vibe.
The 38.2 × 35.2 × 8.5 mm case and ultra-light 21 g weight make it incredibly comfortable for everyday wear.
Key advantages:
semi-transparent pink design,
large easy-to-read digits,
green LED backlight,
up to 7 years battery life,
1/100-second stopwatch,
daily alarm,
auto calendar,
12/24-hour format.
This watch does not try to feel “luxurious” — it wins through simplicity, iconic design, and light carefree energy.
CASIO F-91WS-4EF — a brighter and more playful version of the legendary F-91W.
























