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Round black resin G-Shock watch with analog-digital display and buckle clasp

CASIO

CASIO GA2100RC-1A G-Shock Analog-Digital Resin Watch, Black

SKU CH-7PTH-PEHBS

A tough quartz watch with analog and digital displays, 200 m water resistance, and a resin case and strap measuring 45.40 mm thick

  • Watch movementQuartz
  • Product shapeRound
  • Watch face colorBlack
  • Dial markingsIndex
  • Display typeAnalog Digital
  • Date displayDate
  • 200 m water resistance for swimming and diving
  • 40 mm resin case with mineral crystal for daily toughness
  • Analog-digital display with 12/24-hour format and day-date
  • Hand-shift feature clears hands for unobstructed digital readout
  • Quartz movement with buckle clasp on resin strap

What this watch is and who it is for

The Casio GA2100RC-1A is a new G-Shock with analog-digital display and 200 m water resistance. It suits wearers who want a tough resin sports watch for daily use and swimming. The black dial and rust accents give a neoclassic look that fits casual and outdoor settings. Buyers who need smartwatch connectivity or a metal bracelet should look elsewhere.

Before you order check these points

Verify that a 45.40 mm case thickness fits your wrist and sleeve clearance. Confirm you prefer a buckle clasp on a resin strap rather than a deployant or NATO style. The quartz movement runs on a battery so no winding is required. Ensure the 12/24-hour format matches your reading preference.

Thermals noise and power in normal use

Quartz movement produces no audible noise and generates no perceptible heat on the wrist. Battery power draw is negligible for the rated functions including hand shift and day-date display. Mineral crystal and 200 m water resistance maintain integrity through temperature changes and immersion. Resin case and strap stay comfortable during extended wear.

How it compares

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

Price $89.99
Cheaper than about 61% of the 2,679 comparable items (median $130.99).

Specifications

Product
Brand nameCASIO
Design styleSports
Watch face colorBlack
Item conditionNew
Display
Display typeAnalog Digital
Size & build
Main materialResin
Product shapeRound
Strap materialResin
Closure typeBuckle Clasp
Bezel typeFixed Bezel
Housing materialResin
Case size45.4 mm
Watch glassMineral Crystal
Environment & compliance
Water resistance200m
More details
Watch movementQuartz
Dial markingsIndex
Date displayDate
Suitable forMale

Questions about this item

What comes in the box with the GA2100RC-1A and is a charger or battery tool needed?

The watch ships complete with its resin case, mineral crystal, resin strap and buckle clasp already fitted; it runs on a standard quartz cell so no charger or separate tool is required.

The dial shows both analog hands and a digital readout — which version of this model gives the clearest day and date view?

This single version includes a day dial at the 9 o'clock position and a digital month-date display; the hand-shift feature moves the hands aside for an unobstructed digital view.

The spec lists 200 m water resistance — what does that actually allow when the watch is on my wrist?

200 m resistance means the watch is suitable for surface swimming, snorkelling and recreational diving; press no buttons while submerged and rinse with fresh water afterwards.

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