---
product_id: 723657341
title: "Casio Pro Trek Bio Mass Tough Solar Triple Sensor w/Thermometer Altimeter Barometer Compass World Time Men's Watch PRG340-3"
brand: "casio"
price: "AR$104462"
currency: ARS
in_stock: false
reviews_count: 5
url: https://www.desertcart.com.ar/products/723657341-casio-pro-trek-bio-mass-tough-solar-triple-sensor-w
store_origin: AR
region: Argentina
---

# Eco-Friendly Biomass Build Triple Sensor Tech Tough Solar Charging Casio Pro Trek Bio Mass Tough Solar Triple Sensor w/Thermometer Altimeter Barometer Compass World Time Men's Watch PRG340-3

**Brand:** casio
**Price:** AR$104462
**Availability:** ❌ Out of Stock

## Summary

> 🌍 Adventure Smarter, Tread Lighter — The Future of Outdoor Watches

## Quick Answers

- **What is this?** Casio Pro Trek Bio Mass Tough Solar Triple Sensor w/Thermometer Altimeter Barometer Compass World Time Men's Watch PRG340-3 by casio
- **How much does it cost?** AR$104462 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/723657341-casio-pro-trek-bio-mass-tough-solar-triple-sensor-w)

## Best For

- casio enthusiasts

## Why This Product

- Trusted casio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rugged & Ready:** 100M water resistance and rotating bezel built for the toughest outdoor challenges.
- • **Solar-Powered Freedom:** Harness sunlight to keep your adventure going—no battery swaps needed.
- • **Precision Triple Sensor:** Navigate confidently with compass, altimeter, barometer & thermometer at your wrist.
- • **Crystal Clear Visibility:** Super Illuminator & layered LCD display ensure you never miss a beat, day or night.
- • **Eco-Conscious Craftsmanship:** Biomass plastics from castor oil & corn reduce your carbon footprint in style.

## Overview

The Casio Pro Trek PRG340-3 is a solar-powered men's watch featuring eco-friendly biomass plastics, a Triple Sensor system (digital compass, altimeter, barometer, thermometer), 100M water resistance, and a super bright LED/LCD display. Designed for outdoor enthusiasts who demand precision, durability, and sustainability in one sleek package.

## Description

Get out into the great outdoors with a solar-powered PRO TREK featuring eco-friendly materials that care for the environment. The PRO TREK line of authentic outdoor gear for nature lovers introduces the PRG340, a timepiece that incorporates environmentally friendly biomass plastics* while delivering the same comfortable fit for your wrist. The case and urethane band are crafted from biomass plastics made with castor oil and the band from biomass plastics made with corn. The duplex LCD lays out separate layers for the compass graphics and the clock functions, enabling a larger compass display for better legibility and easier navigation in a design that is both functional and beautiful. The rotating bezel makes it simple to record compass readings, and the Tough Solar charging system keeps the advanced functionality on the go. Get out and explore with a gentler footprint! * Biomass plastics are polymers produced using chemical or biological synthesis of materials sourced from plant matter or other renewable organic substances and are widely thought to help reduce environmental impact and promote the shift to a circular economy.

Review: Es mi primer Casio Pro Trek, porque siempre he comprado G Shock, y la verdad está excelente, robusto, eficiente.
Review: Big easy to read numbers.

## Features

- Casio's Tough Solar Technology charges your watch by converting light to energy
- Part of Casio's green initiative - Featuring Eco-Friendly Biomass Construction and environmentally friendly / recyclable packaging, paperwork & user's manual
- Triple Sensor (Version 3) includes a Digital Compass, Barometer, Thermometer & Altimeter
- 100M Water Resistance | Rotating Bezel | Super Illuminator w/ Full Auto LED/LCD Screen
- Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B09Z3GNB99 |
| Batteries  | 1 Lithium Ion batteries required. (included) |
| Customer Reviews | 4.5 4.5 out of 5 stars (125) |
| Date First Available  | 16 September 2022 |
| Department  | mens |
| Generic Name  | Watch |
| Item Weight  | 231 g |
| Item model number  | PRG-340-3CR |
| Manufacturer  | Casio |
| Package Dimensions  | 12.29 x 11.71 x 8.71 cm; 231 g |

## Images

![Casio Pro Trek Bio Mass Tough Solar Triple Sensor w/Thermometer Altimeter Barometer Compass World Time Men's Watch PRG340-3 - Image 1](https://m.media-amazon.com/images/I/410NfRngI8L.jpg)
![Casio Pro Trek Bio Mass Tough Solar Triple Sensor w/Thermometer Altimeter Barometer Compass World Time Men's Watch PRG340-3 - Image 2](https://m.media-amazon.com/images/I/41k59d7u+3L.jpg)
![Casio Pro Trek Bio Mass Tough Solar Triple Sensor w/Thermometer Altimeter Barometer Compass World Time Men's Watch PRG340-3 - Image 3](https://m.media-amazon.com/images/I/41wlhsbIqjL.jpg)
![Casio Pro Trek Bio Mass Tough Solar Triple Sensor w/Thermometer Altimeter Barometer Compass World Time Men's Watch PRG340-3 - Image 4](https://m.media-amazon.com/images/I/61LX8+MvRZL.jpg)
![Casio Pro Trek Bio Mass Tough Solar Triple Sensor w/Thermometer Altimeter Barometer Compass World Time Men's Watch PRG340-3 - Image 5](https://m.media-amazon.com/images/I/71GTS5XfymL.jpg)

## Questions & Answers

**Q: Does it have a step counter?**
A: If you want a Casio watch with a step counter, you can look at the GBD100 or 800 series.

**Q: Does it really gain 2 seconds a week??? That would make this watch trash ....**
A: Mine hasn't! Keeps accurate time.

**Q: Dose time update when you travel?**
A: No. You have to physically update time or date if traveling across different time zones or cross international date line.

**Q: What actually is Tough Solar  ?does Tough solar have a battery ?**
A: Yes there is a battery that is rechargeable. It is recharged by the solar cell so you never have to replace it.  As long as the watch sees some light once in a while it will keep running without having to worry about changing a battery

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***. on 27 September 2025*

Es mi primer Casio Pro Trek, porque siempre he comprado G Shock, y la verdad está excelente, robusto, eficiente.

### ⭐⭐⭐⭐⭐ Review
*by S***1 on 17 July 2025*

Big easy to read numbers.

### ⭐⭐⭐⭐⭐ Review
*by J***T on 10 May 2025*

Casio, always a good buy. Sensors all work to spec.

## Frequently Bought Together

- Casio PRG340 Series | Pro Trek | 100 Meter Water Resistance | Compass | Alt/Baro-Thermo | Tough Solar Power | 1-100 SEC Stopwatch | Countdown Timer | World Time
- Casio G-Shock GWM5610-1 Men's Solar Black Resin Sport Watch
- Casio Men's Pro Trek PRG-270-1 Tough Solar Triple Sensor Multifunction Digital Sport Watch

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**Shop now:** [https://www.desertcart.com.ar/products/723657341-casio-pro-trek-bio-mass-tough-solar-triple-sensor-w](https://www.desertcart.com.ar/products/723657341-casio-pro-trek-bio-mass-tough-solar-triple-sensor-w)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-10*