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Casio F-91WC-2 Sky Blue, three-quarter view
Casio F-91WC-2 Sky Blue, front view
Casio F-91WC-2 Sky Blue, right side with the alarm button
Casio F-91WC-2 Sky Blue, left side with the LIGHT and MODE buttons
Casio F-91WC-2 Sky Blue, side profile, 8.5 mm thin
Casio F-91WC-2 Sky Blue, stainless steel case back
Casio F-91WC-2 Sky Blue, close-up of the display
Casio F-91WC-2 Sky Blue, with the LED backlight on
Casio F-91WC-2 Sky Blue, product photo
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Casio F-91WC-2AEF · Genuine

Sky Blue — Casio F-91WC-2 Sky Blue

Pool-water blue.

₹4,299

₹5,499

Save ₹1,200

Inclusive of taxes. Free shipping across India.

Colour · Sky Blue

  • Genuine Casio
  • Free shipping, India
  • Prepaid, secure
  • 7-day replacement
About this watch

Bright sky-blue resin with white print, from the F-91WC colour series. Summer on your wrist, all year.

Runs the same Casio module as the original 1989 F-91W: daily alarm, hourly time signal, stopwatch, auto calendar, 12/24-hour time and an LED light.

Shipping and replacement

Free shipping to any address in India. You get a tracking link by email as soon as your watch ships, and the delivery estimate shows at checkout.

If it arrives damaged or defective, message us within 7 days of delivery and we replace it. Full policy

Payment

Prepaid on Shopify's secure checkout: UPI, debit and credit cards, and netbanking. We never see your card details. Cash on delivery is not available.

Independent reseller. Not affiliated with or endorsed by Casio Computer Co., Ltd. Casio and F-91W are trademarks of their owner.

01 / Module 593

Nine things.Three buttons.

Every F-91W colourway runs the same Casio module, so this Sky Blue does everything the 1989 original did.

  • LED light

    Hold LIGHT to read the display in the dark.

  • Daily alarm

    Beeps at the same time every day.

  • Hourly signal

    A short beep on the hour, if you want it.

  • Stopwatch

    Start, stop and split time.

  • Auto calendar

    Day and date on the display.

  • 12 / 24-hour

    One press of the right button switches.

  • Water resistant

    Rain, splashes and hand-washing.

  • ~7-year battery

    A CR2016 coin cell, per Casio.

  • 21 grams

    Light enough to forget about.

Casio F-91WC-2 Sky Blue with its three buttons labelled

02 / How it works

Learn it ina minute.

  1. L

    LIGHT · Upper left

    Lights the display. In setting modes it moves to the next digit.

  2. C

    MODE · Lower left

    Cycles Time, Alarm, Stopwatch and Time setting. In setting modes it exits.

  3. A

    ALARM ON·OFF / 24HR · Right

    Switches 12/24-hour, turns the alarm and chime on or off, starts and stops the stopwatch.

Step-by-step: set the time, alarm and stopwatch

A closer look at
the Sky Blue.

03 / Up close

A closer look

Casio F-91WC-2 Sky Blue, display close-up

01 / The display

Readable at a glance.

Day, date, hours, minutes and seconds on one small LCD. The segments are sharp in daylight, and a live demo of this exact display runs on our home page.

Casio F-91WC-2 Sky Blue, backlight on

02 / The light

Press LIGHT. Read it in the dark.

A small LED lights the display while you hold the button. Enough for a dark room, a cinema or a night bus.

Casio F-91WC-2 Sky Blue, side profile

03 / The profile

8.5 mm thin. 21 grams.

Slim enough to slide under a cuff, light enough that you forget it is there. The resin strap closes with a simple buckle.

Casio F-91WC-2 Sky Blue, case back

04 / The back

Steel back. Years of battery.

A stainless steel case back with four screws. Behind it, a CR2016 cell Casio rates at about seven years.

Casio F-91W front and side elevation: 38.2 mm tall, 35.2 mm wide, 8.5 mm thick35.238.28.5F-91W · MODULE 593 · MM
Casio's published dimensions. Lines traced from a 3D model, not to scale.

04 / Specifications

The numbers.

Model
Casio F-91WC-2AEF
Colour
Sky Blue
Case
Resin, approx. 38.2 × 35.2 × 8.5 mm
Weight
Approx. 21 g
Water resistance
Water resistant (splashes, rain, hand-washing)
Alarm
Daily alarm and hourly time signal
Stopwatch
Stopwatch with split time
Calendar
Auto calendar, 12/24-hour format
Light
LED light
Accuracy
±30 seconds per month
Battery
CR2016, approx. 7 years

Specifications as published by Casio for the F-91W family.

05 / Which F-91W is this?

Four faces.One watch.

Same case, same module, same price. What changes is the face. This one is the F-91WC.

  • F-91W
    Casio F-91W

    The classic

    Coloured frame around the display, gold print, red WR badge.

  • F-91WB
    Casio F-91WB

    Frameless

    No frame, vertical side labels and a small WR box. Resin and face in one colour.

  • F-91WCThis one
    Casio F-91WC

    Colour series

    Bright resin with white print, frame and WR badge.

  • F-91WG
    Casio F-91WG

    Gold trim

    Black classic with the frame, print and buttons in gold tone.

06 / Delivery, payment, replacement

From our handsto your wrist.

  1. 01 /

    Pay securely

    UPI, cards or netbanking on Shopify checkout. Prepaid only, no cash on delivery.

  2. 02 /

    Ships free, tracked

    Free delivery to any address in India, with a tracking link by email once it ships.

  3. 03 /

    Covered for 7 days

    Damaged or defective on arrival? Tell us within 7 days of delivery and we replace it.

Questions, answered

Stillwondering?

Something else? Write to us or DM @f91w.in.

Is this a genuine Casio?

Yes. Every watch in our Original range is a genuine Casio F-91W. Customized pieces are modified watches and are labelled as customized.

Is there a warranty?

We are an independent reseller, so there is no official Casio India warranty. If the watch arrives damaged or defective, tell us within 7 days of delivery and we replace it.

Can I swim or shower with it?

No. The F-91W is water resistant for rain, splashes and hand-washing, not for swimming or showering.

What battery does it take?

A CR2016 coin cell. Casio rates it at about seven years. Any watch shop can swap it in a few minutes.

How accurate is it?

Casio rates the F-91W at about ±30 seconds a month.

How much is shipping?

Nothing. Shipping is free on every order, anywhere in India.

How do I pay?

Prepaid only, on Shopify checkout: UPI, debit and credit cards, and netbanking. No cash on delivery.

When will it arrive?

You will see the delivery estimate at checkout, and get a tracking link by email as soon as your watch ships.

What if it arrives damaged?

Message us within 7 days of delivery with your order number and a photo, and we will send a replacement.

Other colours.

Sky Blue₹4,299