Timepiece Size Chart

Case dimensions (length x width x height) shown here are standard values and may differ from actual product dimensions. Use the case dimensions provided here as general reference values.
* Dimensions show the measurements indicated in the illustration above.
F91WM-9A is backordered and will ship as soon as it is back in stock.
F-91W
Inheriting a form unchanged since its 1989 launch, these watches are cherished by fans around the world.
Basic Information
Basic Information
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BandResin Band
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Case and bezel materialResin
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Case size (L × W × H)
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Power supply and battery lifeApprox. battery life: 7 years on CR2016
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Water resistanceWater resistant
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Weight
Exterior
Exterior
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Compatible band size
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GlassResin Glass
Features
Features
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AccuracyAccuracy: ±30 seconds per month
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Alarm / hourly time signal
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CalendarAuto-calendar (set at 28 days for February)
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Light
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Other features
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Stopwatch

A design concept based on the user’s perspective: High quality and affordability achieved with an original manufacturing approach

Simple design delivering ease of use for daily life

A timeless, signature style spanning the ages

Slim, lightweight design

Urethane band

Water resistance


