Casio Pro Trek PRG340-1 vs Bulova Lunar Pilot Chronograph
Casio's timepiece meets Bulova's chronograph
Quick Verdict
The Casio Pro Trek PRG340-1 ($150–$250) offers Tough Solar Quartz (No Battery Change) precision in the tier below the Bulova Lunar Pilot Chronograph ($500–$1,000). The Pro Trek PRG340-1 measures 54.7 × 51.7 × 15.1mm and is rated 100m (10 ATM). The Lunar Pilot Chronograph counters with Made in Japan (Citizen Group) craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Casio Pro Trek PRG340-1 | Bulova Lunar Pilot Chronograph |
|---|---|---|
| Price | $150–$250 | $500–$1,000 |
| Case Size | 54.7 × 51.7 × 15.1mm | 45mm |
| Movement | Tough Solar (Solar Quartz) | High-Performance 262kHz Quartz |
| Caliber Type | Tough Solar Quartz (No Battery Change) | High-Performance Quartz |
| Power Reserve | Tough Solar (Rechargeable) | N/A (Quartz) |
| Water Resistance | 100m (10 ATM) | 50m (5 ATM) |
| Crystal | Mineral Glass | Sapphire Crystal |
| Case Material | Bio-Based Resin | Stainless Steel |
| Origin | Casio (Japan) | Made in Japan (Citizen Group) |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Bulova's approach
The Casio Pro Trek PRG340-1 features a Bio-Based Resin case at 54.7 × 51.7 × 15.1mm with Mineral Glass protection. The Bulova Lunar Pilot Chronograph offers Stainless Steel construction at 45mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Tough Solar (Solar Quartz) vs High-Performance 262kHz Quartz
The Pro Trek PRG340-1 runs the Tough Solar (Solar Quartz) (Tough Solar Quartz (No Battery Change), Tough Solar (Rechargeable) power reserve) at standard frequency. The Lunar Pilot Chronograph uses the High-Performance 262kHz Quartz (High-Performance Quartz, N/A (Quartz) reserve) at 262,144 Hz (High-Frequency Quartz). Power reserves are closely matched.
Wearability & Fit
54.7 × 51.7 × 15.1mm vs 45mm — different wrist presence
At 54.7 × 51.7 × 15.1mm, the Pro Trek PRG340-1 has a bolder wrist presence compared to the Lunar Pilot Chronograph at 45mm. Water resistance differs: 100m (10 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio Pro Trek PRG340-1 sits at $150–$250 and the Bulova Lunar Pilot Chronograph at $500–$1,000. On the specs that outlast any price: the Pro Trek PRG340-1 uses Mineral Glass with Tough Solar (Rechargeable), against Sapphire Crystal and N/A (Quartz) on the Lunar Pilot Chronograph. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 50m (5 ATM)
The Pro Trek PRG340-1 is rated to 100m (10 ATM) while the Lunar Pilot Chronograph handles 50m (5 ATM). The Pro Trek PRG340-1 is better suited for water activities.
Our Verdict
Casio
Pro Trek PRG340-1
Choose the Casio Pro Trek PRG340-1 if you prioritize Tough Solar Quartz (No Battery Change) engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At $150–$250, it delivers Tough Solar (Solar Quartz) with Tough Solar (Rechargeable) power reserve.
Check Price on AmazonBulova
Lunar Pilot Chronograph
Choose the Bulova Lunar Pilot Chronograph if you value High-Performance Quartz technology, Made in Japan (Citizen Group) heritage, and 45mm proportions. At $500–$1,000, the High-Performance 262kHz Quartz with N/A (Quartz) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Pro Trek PRG340-1 and Bulova Lunar Pilot Chronograph represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Bulova delivers Made in Japan (Citizen Group) engineering.
Frequently Asked Questions
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How This Page Was Made
Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.