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Square white resin digital watch with black display and resin strap

CASIO

CASIO F-91WS-7 Quartz Women's Watch 35.00 mm Resin Digital 30m

SKU CH-X67N-ZTKQF

A square digital watch with resin case and strap, quartz movement, sapphire crystal, LED light and 1/100-second stopwatch, water-resistant to 30 m

  • Watch movementQuartz
  • Product shapeSquare
  • Display typeDigital
  • Date displayDate
  • Strap materialResin
  • Closure typeBuckle Clasp
  • Reliable daily timing from quartz movement
  • Sapphire crystal resists scratches on the display
  • 30 m water resistance suits splashes and rain
  • 1/100 second stopwatch measures short intervals precisely
  • LED light lets you read the face in darkness

Daily digital watch

The Casio F-91WS-7 is a quartz watch built for everyday wear. Its resin case and strap keep the weight low while resisting knocks and moisture. A square digital display shows the time, day and date at a glance. The buckle clasp secures the band quickly on smaller wrists.

Resin construction and water resistance

The all-resin body shrugs off sweat, rain and hand-washing without corrosion. Rated to 30 metres, the case survives splashes and brief immersion but is not intended for swimming or diving. Quartz movement draws minimal power from a single cell, so battery changes are infrequent. No moving mechanical parts mean silent operation in quiet rooms.

Sapphire crystal and stopwatch utility

A sapphire crystal protects the display from scratches that would cloud ordinary acrylic. The built-in LED light illuminates the digits for night reading without a separate torch. A 1/100 second stopwatch handles lap timing for sport intervals or kitchen tasks. Buyers who need a heart-rate sensor or smartphone notifications should consider a dedicated fitness tracker.

How it compares

Measured against everything we stock in Analog & Digital Wristwatches, at today’s prices. Recalculated every night.

Price $46.99
Cheaper than about 79% of the 2,679 comparable items (median $130.99).

Specifications

Product
Brand nameCASIO
Design styleSports
Item conditionNew
Display
Display typeDigital
Size & build
Main materialResin
Product shapeSquare
Strap materialResin
Closure typeBuckle Clasp
Bezel typeFixed Bezel
Housing materialResin
Case size35 mm
Watch glassSapphire
Environment & compliance
Water resistance30m
More details
Watch movementQuartz
Date displayDate
Suitable forFemale

Questions about this item

How do I fit the resin strap with the buckle clasp so it stays secure?

Thread the strap through the buckle, pull it snug, and insert the pin into the nearest hole; the resin moulding locks the pin in place when you press the keeper loop flat.

When will the quartz movement need a new battery?

The sealed quartz module typically runs two to three years on a fresh cell; when the digits fade or the LED light dims, a watchmaker can swap the battery and reseal the case.

What is the practical depth limit for daily wear with the 30 m rating?

The 30 m rating covers splashes, rain and hand-washing only; swimming or showering will exceed the seal capacity and let moisture reach the digital module.

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