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Casio
Pro Trek PRG-340
Affordable & Microbrand
$310
Casio Pro Trek PRG-340-1, an outdoor-focused line with altimeter, barometer, compass, and thermometer sensors for hiking and mountaineering -- replaces the discontinued PRG-601-1.
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- Collection
- Pro Trek
- Reference number
- PRG-340-1
- Case material
- Resin
- Case diameter
- 51.7 mm
- Case thickness
- 15.1 mm
- Lug width
- 23 mm
- Lug-to-lug
- 54.7 mm
- Movement
- Quartz
- Caliber
- 3513
- Water resistance
- 100 m
- Release year
- 1994
- Country of origin
- Japan
Wrist size visualizer
Case diameter and lug-to-lug drawn to scale (4px per mm) against a millimeter ruler — hold a ruler or tape measure up to the screen to compare.
mm circumference
Lug-to-lug (54.7mm) is approximately 101% of your estimated flat wrist width (54mm). May overhang the sides of your wrist.
Price History
Up 3.3% ($10) since 10/3/2026.
Low $300 · High $310
- 10/5/2026$310▲ $10
- 10/3/2026$300
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