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CASIO

CASIO GA100-1A4 watch Black 200 m water resistant

SKU CH-SX8F-HRPQ9 MPN GA100-1A4

Analogue-digital quartz watch with a stainless-steel case, resin strap and 200 m water resistance

  • MovementQuartz
  • ColorBlack
  • GenderUnisex
  • AgeAdult
  • ConditionNew
  • Case MaterialStainless Steel
  • 200 m water resistance protects the watch during swimming and diving
  • Stainless steel case resists daily impacts and scratches
  • Scratch-resistant mineral glass keeps the dial clear after knocks
  • Quartz movement delivers reliable timekeeping without winding
  • Resin strap stays comfortable and secure on any wrist

Product identity

The CASIO GA100-1A4 is a quartz watch with a stainless steel case and black resin strap. It is built for adults who want a single tough timepiece for daily wear and water-based activities.

Water-resistance limits

Rated to 20 ATM or 200 metres, the watch withstands swimming, snorkelling and surface water sports. It is not intended for scuba diving or high-velocity impact such as jet-skiing.

Build and daily use

Mineral glass protects the black dial from scratches while the stainless steel case resists corrosion. The resin strap stays flexible in wet conditions and secures the watch during active movement.

Highlights

  • 200 m water resistance protects the watch during swimming and diving
  • Stainless steel case resists daily impacts and scratches
  • Scratch-resistant mineral glass keeps the dial clear after knocks
  • Quartz movement delivers reliable timekeeping without winding
  • Resin strap stays comfortable and secure on any wrist

Specifications

BrandG Shock By Casio
ModelGA100-1A4
MovementQuartz
ColorBlack
GenderUnisex
AgeAdult
ConditionNew
Case MaterialStainless Steel
Water-ResistantYes

Questions about this item

Which GA100-1A4 version should I choose for everyday wear?

The single black unisex model with a stainless steel case and resin strap covers daily use without extra variants to compare.

What does 200 m water resistance mean when I am actually wearing the watch?

It is rated to 20 ATM so you can swim, snorkel or shower without worry, but it is not intended for scuba diving.

How does the quartz movement affect daily accuracy?

Quartz regulation keeps time to within a few seconds per month without winding or charging.

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