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Round grey-dial watch with resin case and strap, analog-digital display, 46.00 mm thick, 100m water resistant

CASIO

CASIO Pro Trek PRJ-B001-7 Grey Dial Tough Solar 100m Watch

SKU CH-4R9Y-ZG1HN

A solar-powered sports watch with an analogue-digital grey dial, bio-based resin case and strap, 100 m water resistance and smartphone time sync

  • Watch movementQuartz
  • Product shapeRound
  • Watch face colorGrey
  • Dial markingsIndex
  • Display typeAnalog Digital
  • Date displayDate
  • Bio-based resin case reduces environmental impact
  • Tough Solar charging keeps the watch running without battery changes
  • 100 m water resistance suits swimming and surface sports
  • Analog-digital display shows time and data at a glance
  • 00 mm case thickness provides a bold, readable presence

Built for outdoor use

The Casio Pro Trek PRJ-B001-7 is a sports watch designed for men who spend time outside. Its resin case and strap use bio-based materials. A grey dial sits behind mineral crystal. Tough Solar charging keeps the quartz movement running without battery changes.

Suits daily wear and recreation

This model fits wrists that want a single watch for work, travel and weekend activity. The analog-digital display shows the time and date at a glance. Smartphone Link synchronises the clock automatically. Buyers who need a dedicated dive computer or advanced navigation sensors should look elsewhere.

Solar power and 100 m water resistance

Light charges the cell continuously, giving long running time between exposures. The case is rated to 100 metres, so swimming and snorkelling are comfortable. The 46.00 mm thickness and fixed bezel limit how flat the watch sits under tight cuffs.

How it compares

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

Price $117.99
Typical for this category: the median of 2,679 items is $130.99.

Specifications

Product
Brand nameCASIO
Design styleSports
Watch face colorGrey
Item conditionNew
Display
Display typeAnalog Digital
Size & build
Main materialResin
Product shapeRound
Strap materialResin
Closure typeBuckle Clasp
Bezel typeFixed Bezel
Housing materialResin
Case size46 mm
Watch glassMineral Crystal
Environment & compliance
Water resistance100m
More details
Watch movementQuartz
Dial markingsIndex
Date displayDate
Suitable forMale

Questions about this item

Does the PRJ-B001-7 need a smartphone to set the time and use Smartphone Link?

The watch syncs time automatically via the CASIO WATCHES app over Bluetooth Low Energy, so a compatible phone is required for initial pairing and ongoing link functions.

Will the 46.00 mm resin case fit under the cuff of a typical outdoor jacket?

At 46.00 mm thick the case sits proud of the wrist, so a tight sleeve may catch; most outdoor jackets with adjustable cuffs clear it without issue.

How can I confirm the Tough Solar cell is charging after I put the watch in sunlight?

The digital display shows a charging indicator icon when the solar panel receives enough light, and the battery level graphic rises as it stores power.

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