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Black resin G-Shock watch with round analog-digital dial, 45.00 mm case, 200 m water resistance

CASIO

CASIO G-Shock GA-2100VB-1A 200M Watch

SKU CH-APSB-ASZ5S

Analog-digital sports watch with 200 m water resistance and a 45.00 mm resin case

  • Watch movementQuartz
  • Product shapeRound
  • Watch face colorBlack
  • Dial markingsIndex
  • Display typeAnalog and Digital
  • Date displayDate
  • 200 m water resistance for swimming and diving
  • Carbon-core guard structure protects the module from impact
  • 00 mm slim resin case fits comfortably under sleeves
  • Dual analog-digital display shows time and data at a glance
  • World time function covers multiple time zones

Built for daily wear

The GA-2100VB-1A is a resin-cased quartz watch with a black analogue-digital dial and 200 m water resistance. It suits adults who want a single sports watch that handles swimming, showering and everyday knocks without special care. The fixed bezel and mineral crystal keep the face readable in bright light.

Strap on and go

The resin band fastens with a buckle clasp so sizing takes seconds and no tools are required. Because the case and strap are one-piece resin, there are no spring bars to lose or pins to misalign. The only common issue is the buckle tongue catching on thick sleeves until the leather softens.

Steady through long days

Quartz movement keeps time within seconds per month whether the watch sits on a desk or rides a wrist for weeks. The analogue hands and digital modules draw minimal power so the battery lasts years under normal use. World Time stays accurate across zones without manual offset adjustments.

How it compares

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

Price $97.99
Cheaper than about 59% of the 2,679 comparable items (median $130.99).

Specifications

Product
Brand nameCASIO
Design styleSports
Product colorBlack
Watch face colorBlack
Item conditionNew
Display
Display typeAnalog and Digital
Size & build
Main materialResin
Product shapeRound
Strap materialResin
Closure typeBuckle Clasp
Bezel typeFixed Bezel
Housing materialResin
Case size45 mm
Watch glassMineral Crystal
Environment & compliance
Water resistance200m
More details
Watch movementQuartz
Dial markingsIndex
Date displayDate
Suitable forMale
Age groupAdult

Questions about this item

How do I verify the analog and digital display is keeping accurate time after setting it?

Set the quartz movement to a known reference; the analog hands and digital readout should match within seconds, and the 200m water-resistance seal remains intact if the crown is fully pushed in.

What comes in the box and do I need a separate strap or tool?

The watch ships with its resin case, integrated resin strap and buckle clasp already fitted; no extra band, link remover or charging cable is required.

Which GA-2100 variant should I choose if I want the black dial with 200m rating?

The GA-2100VB-1A is the black-dial, 200m water-resistant version; other GA-2100 models differ in dial colour or strap finish.

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