Casio PRG-340
Ref. PRG-340 · Field
$280Stock unknown
Case
- Diameter
- 51.7mm
- Thickness
- 15.1mm
- Lug-to-lug
- 54.7mm
- Material
- Bio-based resin
- Water resistance
- 100m
Crystal & dial
- Crystal
- Mineral
- Dial colour
- Black
Movement
- Type
- Quartz
Design language
- Case shape
- round
- Dial style
- digital
- Bezel
- fixed
- Bracelet
- rubber
- Hands
- null
AI-detected from the product image
Pro Trek collection · 4 watches
6 colorways
The market
Market prices.
Retail$280
eBay listings
- CASIO PRO TREK PRG-340-3JF Green Solar Triple Sensor Hiking WatchPre-owned - Good · JP$138
- CASIO Solar Wristwatch PRG-340-1JFPre-owned - Good · JP$140
- CASIO PRO TREK PRG-340-3JF Climber Line Triple Men's Watch New in Box GreenNew with box and papers · JP$140
Lowest displayed prices first.
Matched listings from our latest checks; eBay may show additional results. We may earn a commission through these links at no extra cost to you.
Retail stock & market context
Casio on the secondhand market
+10.5%
2026 so far · +1.3% to +21.6% · 47 matched watches
In line with the index
Field watches as a group: +10.6% · 59 matched watches
Year-by-year readings →The connection engine
More like this.
The community take
Owners talk.
The Casio PRG-340 is praised for its clear and legible display, reliable triple-sensor capabilities including a compass, and Tough Solar charging. Owners widely report it is very lightweight and comfortable on the wrist, with some appreciating its striking orange accents and Biomass resin strap. The duplex LCD for compass functions is noted as a positive feature. One owner found aesthetic defects on the glass and case of their purchased unit. Overall, owners and reviewers rate the Casio PRG-340 highly for its practical features, lightweight comfort, and attractive design at its price point.
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On real wrists
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The paper trail
The discussion