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Round black digital watch with bio-based resin case, titanium bracelet and deployment clasp

CASIO

CASIO PRO TREK PRG-340T-7 Bio-Based Resin Titanium Solar Watch

SKU CH-Q2JX-A6E5M

Solar-powered outdoor watch with bio-based resin case, titanium bracelet and 100 m water resistance

  • Watch movementSolar
  • Product shapeRound
  • Watch face colorBlack
  • Display typeDigital
  • Date displayDate
  • Strap materialTitanium
  • Bio-based resin case reduces environmental impact
  • Titanium bracelet provides strength and comfort
  • Tough Solar charging keeps the watch running in low light
  • Duplex LCD improves digital compass readability
  • 100 m water resistance suits swimming and snorkelling

Bio-based resin case with titanium band

The Casio Pro Trek PRG-340T-7 uses a bio-based resin case paired with a titanium bracelet and deployment clasp. Mineral crystal protects the digital dial. The 51.70 mm case thickness provides a substantial wrist presence suited to daily outdoor use.

Tough Solar power and 100 m water resistance

Solar charging keeps the movement running without battery changes, even under low light. A 100 m rating covers swimming and surface water sports, while the rotating bezel aids timing tasks. Low-temperature resistance ensures function in cold environments.

Duplex LCD with compass altimeter

The duplex LCD separates the digital compass from the main display for clearer bearing readings. Built-in altimeter, barometer and thermometer sensors support navigation and weather tracking. This watch is not for buyers who need smartwatch connectivity or touchscreen operation.

How it compares

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

Price $215.99
Pricier than about 74% of the 2,679 comparable items (median $130.99).

Specifications

Product
Brand nameCASIO
Design styleSports
Watch face colorBlack
Item conditionNew
Display
Display typeDigital
Size & build
Main materialResin
Product shapeRound
Strap materialTitanium
Closure typeDeployment Clasp
Bezel typeRotating Bezel
Housing materialResin
Case size51.7 mm
Watch glassMineral Crystal
Environment & compliance
Water resistance100m
More details
Watch movementSolar
Date displayDate
Suitable forMale

Questions about this item

What water-resistance rating does the PRG-340T-7 carry, and what activities does that cover?

The watch is rated to 100 metres, which means it is suitable for swimming and surface snorkelling but not for scuba diving or high-velocity water sports.

How thick is the case, and will it clear a standard shirt cuff?

The resin case measures 51.70 mm in thickness, so it sits higher on the wrist than most dress watches and may catch on tight cuffs.

How do I charge the Tough Solar movement, and what is the common mistake to avoid?

Expose the dial to bright light regularly; the mistake is leaving the watch in a dark drawer for weeks, which lets the rechargeable cell run down.

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