---
product_id: 770588321
title: "Casio Pro Trek Atomic Timekeeping Tough Solar Triple Sensor Thermometer Altimeter Barometer Compass World Time Men's Watch, green, PRG-340-3CR"
brand: "casio"
price: "5180 kr"
currency: DKK
in_stock: true
reviews_count: 5
category: "Casio"
url: https://www.desertcart.dk/products/770588321-casio-pro-trek-atomic-timekeeping-tough-solar-triple-sensor-thermometer
store_origin: DK
region: Denmark
---

# 100M water resistance for rugged use Triple sensor: compass, altimeter, barometer Solar-powered energy autonomy Casio Pro Trek Atomic Timekeeping Tough Solar Triple Sensor Thermometer Altimeter Barometer Compass World Time Men's Watch, green, PRG-340-3CR

**Brand:** casio
**Price:** 5180 kr
**Availability:** ✅ In Stock

## Summary

> 🌍 Adventure meets eco-conscious precision — wear the future on your wrist!

## Quick Answers

- **What is this?** Casio Pro Trek Atomic Timekeeping Tough Solar Triple Sensor Thermometer Altimeter Barometer Compass World Time Men's Watch, green, PRG-340-3CR by casio
- **How much does it cost?** 5180 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/770588321-casio-pro-trek-atomic-timekeeping-tough-solar-triple-sensor-thermometer)

## 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

- • **All-Weather Ready:** 100-meter water resistance and super illuminator LED ensure visibility and reliability rain or shine.
- • **Sustainable Style:** Crafted from eco-friendly biomass plastics, blending green innovation with rugged durability.
- • **Eco-Chic Solar Power:** Harness sunlight with Casio Tough Solar tech for endless adventure without battery swaps.
- • **Next-Level Navigation:** Triple Sensor v3 delivers precise compass, altimeter, and barometer readings to keep you on track.
- • **Global Time, Local Impact:** World time function plus recyclable packaging—stay connected while supporting a greener planet.

## Overview

The Casio Pro Trek PRG-340-3CR is a solar-powered, eco-friendly men's watch featuring a triple sensor system (digital compass, altimeter, barometer), 100M water resistance, and a rotating bezel. Made with biomass plastics and recyclable materials, it combines rugged outdoor functionality with sustainable design, perfect for millennial professionals who demand performance and planet-friendly innovation.

## Description

Get ready for the great outdoors with the solar-powered PRO TREK made of eco-friendly materials. The PRO TREK line of serious outdoor gear for nature lovers introduces the PRG340, a timepiece that incorporates eco-friendly biomass plastic* to provide the same comfortable fit on the wrist. The case and urethane band are made from biomass plastic with castor oil and the band is biomass plastic made from corn. Duplex LCD lays out separate layers for compass graphics and clock functions, while a larger compass display with functional and beautiful design makes it easy to read and navigate. Rotating bezel makes it easy to record compass readings Tough Solar charging system maintains advanced functionality while on the go. Get out and explore with more gentle footprints. * Biomass plastic is a polymer that is chemically or biologically synthesized from plant and other renewable organic substances, which is widely thought to reduce environmental impact and promote transition to circulating 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 Tough Solar technology charges your watch by converting light into energy
- Part of the Casio Green Initiative - Features eco-friendly biomass construction, eco-friendly/recyclable packaging, documents, and user manual
- Triple sensor (version 3) includes digital compass, barometer, thermometer and altimeter
- 100M Water Resistant | Rotating Bezel | Super Illuminator with Full Auto LED/LCD Screen
- Measurement range: -700 - 10,000 m (-2,300 - 32.0 m)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09Z3GNB99 |
| ASIN  | B09Z3GNB99 |
| Age Range Description | Adult |
| Band Color | Green |
| Band Material Type | Plastic |
| Band Width | 22 Millimeters |
| Bands | 1 |
| Batteries  | 1 Lithium Ion batteries required. (included) |
| Brand Name | Casio |
| Case Diameter | 54.7 Millimeters |
| Case Material Type | Stainless Steel |
| Case Thickness | 13.5 Millimeters |
| Character | Untitled |
| Clasp Type | Buckle |
| Closure Type | Buckle |
| Crystal | Plastic |
| Customer Reviews | 4.5 4.5 out of 5 stars (128) |
| Date First Available  | March 3, 2023 |
| Department  | Men |
| Dial Color | Black |
| Display | Digital |
| Embellishment Feature | Crystal |
| Face Style | Crosshair |
| Global Trade Identification Number | 00889232328102 |
| Included Components | 1 x Luminous Watch and 2 x Strap |
| Item Type Name | Watch |
| Item Weight | 0.23 Kilograms |
| Item model number  | PRG-340-3CR |
| Manufacturer | Casio |
| Manufacturer  | Casio |
| Model Name | PRG340T-7 |
| Model Number | PRG-340-3CR |
| Package Dimensions  | 12.29 x 11.71 x 8.71 cm; 231 g |
| Pattern | Solid |
| Power Source | Solar Powered |
| Release date  | September 1, 2022 |
| Series Number | 340 |
| Shape | Round |
| Sport Type | Walking |
| Strap Type | Plastic strap |
| Style Name | PRG-340-3CR |
| UPC | 889232328102 |
| Unit Count | 1.00 Count |
| Watch Movement Type | Quartz |
| Water Resistance Depth | 100 Meters |
| Water Resistance Level | Waterproof |

## Images

![Casio Pro Trek Atomic Timekeeping Tough Solar Triple Sensor Thermometer Altimeter Barometer Compass World Time Men's Watch, green, PRG-340-3CR - Image 1](https://m.media-amazon.com/images/I/61LX8+MvRZL.jpg)
![Casio Pro Trek Atomic Timekeeping Tough Solar Triple Sensor Thermometer Altimeter Barometer Compass World Time Men's Watch, green, PRG-340-3CR - Image 2](https://m.media-amazon.com/images/I/61x6iNOGTjL.jpg)
![Casio Pro Trek Atomic Timekeeping Tough Solar Triple Sensor Thermometer Altimeter Barometer Compass World Time Men's Watch, green, PRG-340-3CR - Image 3](https://m.media-amazon.com/images/I/71GTS5XfymL.jpg)
![Casio Pro Trek Atomic Timekeeping Tough Solar Triple Sensor Thermometer Altimeter Barometer Compass World Time Men's Watch, green, PRG-340-3CR - Image 4](https://m.media-amazon.com/images/I/61SLIKarq5L.jpg)

## Available Options

This product comes in different **Color** options.

## 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 September 27, 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 July 17, 2025*

Big easy to read numbers.

### ⭐⭐⭐⭐⭐ Review
*by J***T on May 10, 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.dk/products/770588321-casio-pro-trek-atomic-timekeeping-tough-solar-triple-sensor-thermometer](https://www.desertcart.dk/products/770588321-casio-pro-trek-atomic-timekeeping-tough-solar-triple-sensor-thermometer)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-04-25*