Casio · Model Reference
Casio F-91W
An iconic inexpensive digital watch known for simplicity and extraordinary global reach.
Launch1989
ReferenceF-91W
TypeDigital everyday watch
Case35.2 mm
Market Pricing · July 2026
Price guide.
What affects value
Exact module, condition, bracelet, regional version, box and papers; rare colours or discontinued editions can command a premium.
Indicative European market ranges in EUR. Exact value depends on reference, configuration, condition, originality, service history, completeness and current demand. This is editorial guidance, not a purchase offer or investment advice.
Model story.
An iconic inexpensive digital watch known for simplicity and extraordinary global reach. It represents a distinct part of Casio’s broader approach to practical, affordable and technology-led watchmaking.
Movement
Quartz digital module
Water resistance
Water resistant
Production status
Current or reference dependent
Collector note
Condition, originality, module functionality and complete accessories influence desirability.
Buyer guide.
Test all functions, buttons, display segments, backlight, solar charging where applicable, bracelet or strap and water-resistance seals.
TimeHunter Insight
An iconic inexpensive digital watch known for simplicity and extraordinary global reach.