---
product_id: 473622328
title: "PRG340 Series | Pro Trek | 100 Meter Water Resistance | Compass | Alt/Baro-Thermo | Tough Solar Power | 1-100 SEC Stopwatch | Countdown Timer | World Time, Green, PRG-340-3CR"
brand: "casio"
price: "$445.74"
currency: USD
in_stock: true
reviews_count: 5
category: "Casio"
url: https://www.desertcart.us/products/473622328-prg340-series-pro-trek-100-meter-water-resistance-compass-alt
store_origin: US
region: United States of America
---

# 100M Water Resistance - adventure-ready Triple Sensor v3 - compass, altimeter, barometer Tough Solar Power - endless energy PRG340 Series | Pro Trek | 100 Meter Water Resistance | Compass | Alt/Baro-Thermo | Tough Solar Power | 1-100 SEC Stopwatch | Countdown Timer | World Time, Green, PRG-340-3CR

**Brand:** casio
**Price:** $445.74
**Availability:** ✅ In Stock

## Summary

> 🌍 Gear up smart, stay ahead always with Casio Pro Trek!

## Quick Answers

- **What is this?** PRG340 Series | Pro Trek | 100 Meter Water Resistance | Compass | Alt/Baro-Thermo | Tough Solar Power | 1-100 SEC Stopwatch | Countdown Timer | World Time, Green, PRG-340-3CR by casio
- **How much does it cost?** $445.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/473622328-prg340-series-pro-trek-100-meter-water-resistance-compass-alt)

## 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

- • **Solar-Powered Reliability:** Harness sunlight to keep your watch charged—no battery anxiety ever again.
- • **Super Illuminator Display:** Stay effortlessly informed with a bright, full-auto LED/LCD screen for any lighting.
- • **Eco-Friendly Biomass Build:** Sustainably crafted with recyclable materials for the conscious professional.
- • **Advanced Triple Sensor Tech:** Navigate your world with precision using compass, altimeter, barometer & thermometer.
- • **Robust 100M Water Resistance:** Dive into your day with confidence, rain or shine, land or sea.

## Overview

The Casio PRG340-3CR Pro Trek is a rugged, eco-conscious digital watch featuring Tough Solar power, a Triple Sensor (compass, altimeter, barometer, thermometer), and 100-meter water resistance. Designed for professionals who demand precision and sustainability, it combines advanced outdoor tech with a durable, bio-based plastic case and a vibrant Super Illuminator display.

## Description

Men's Casio Pro Trek Triple Sensor (Ver. 3) World Time Watch

Review: Buen reloj - Es mi primer Casio Pro Trek, porque siempre he comprado G Shock, y la verdad está excelente, robusto, eficiente.
Review: Is easy and worthy - You can trust desertcart.

## 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 |
| Age Range Description | Adult |
| Band Colour | Black |
| Band Material Type | Plastic |
| Band Width | 22 Millimetres |
| Bands | 1 |
| Best Sellers Rank | 365,943 in Fashion ( See Top 100 in Fashion ) 2,694 in Men's Wrist Watches |
| Brand Name | Casio |
| Case Diameter | 54.7 Millimetres |
| Case Material Type | Bio Based Plastic |
| Case Thickness | 13.5 Millimetres |
| Character | Fashion |
| Clasp Type | Tang Buckle |
| Closure Type | Buckle |
| Country Of Origin | Japan |
| Crystal | Plastic |
| Customer Reviews | 4.5 out of 5 stars 134 Reviews |
| Dial Color | Green |
| Display | Digital |
| Embellishment Feature | Crystal |
| Face Style | Crosshair |
| Global Trade Identification Number | 00889232328102 |
| Included Components | Rotating Bezel, Super Illuminator w/ Full Auto LED/LCD Screen |
| Item Shape | Round |
| Item Type Name | Watch |
| Item Weight | 0.23 Kilograms |
| Manufacturer | Casio |
| Manufacturer Part Number | PRG-340-3CR |
| Model Name | PRG340T-7 |
| Model Number | PRG-340-3CR |
| Pattern | Solid |
| Power Source | Solar Powered |
| Series Number | 340 |
| Special Features | Altimeter, Barometer, Compass, Thermometer |
| Sport Type | Walking |
| Strap Type | Plastic straps |
| Style Name | PRG-340-3CR |
| Theme | Sports |
| UPC | 889232328102 |
| Unit Count | 1 Count |
| Watch Movement Type | Quartz |
| Water Resistance Depth | 100 Metres |
| Water Resistance Level | Waterproof |

## Images

![PRG340 Series | Pro Trek | 100 Meter Water Resistance | Compass | Alt/Baro-Thermo | Tough Solar Power | 1-100 SEC Stopwatch | Countdown Timer | World Time, Green, PRG-340-3CR - Image 1](https://m.media-amazon.com/images/I/61LX8+MvRZL.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

### ⭐⭐⭐⭐⭐ Buen reloj
*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.

### ⭐⭐⭐⭐⭐ Is easy and worthy
*by O***O on 27 May 2026*

You can trust Amazon.

### ⭐⭐⭐⭐⭐ Relógio de qualidade
*by C***R on 10 July 2026*

Top

## 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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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-12*