Head-to-Head Comparison

Casio Pro Trek PRG340-1 vs Casio Pro Trek PRW-B1000-1

Two timepieces compared — $150–$250 vs $500–$1,000

Quick Verdict

The Casio Pro Trek PRG340-1 ($150–$250) offers Tough Solar Quartz (No Battery Change) precision in the tier below the Casio Pro Trek PRW-B1000-1 ($500–$1,000). The Pro Trek PRG340-1 measures 54.7 × 51.7 × 15.1mm and is rated 100m (10 ATM). The Pro Trek PRW-B1000-1 counters with Casio (Japan) craftsmanship and 100m (10 ATM) water resistance. Both are exceptional timepieces for their respective tiers.

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Casio Pro Trek PRG340-1

Casio

Pro Trek PRG340-1

$150–$250

Casio Pro Trek PRW-B1000-1

Casio

Pro Trek PRW-B1000-1

$500–$1,000

Specifications Compared

FeatureCasio Pro Trek PRG340-1Casio Pro Trek PRW-B1000-1
Price$150–$250$500–$1,000
Case Size54.7 × 51.7 × 15.1mm50.8 × 45.8 × 14.9mm
MovementTough Solar (Solar Quartz)Tough Solar (Solar Quartz), Radio-Controlled
Caliber TypeTough Solar Quartz (No Battery Change)Tough Solar Quartz, Multi-Band 6 + Bluetooth
Power ReserveTough Solar (Rechargeable)Tough Solar (Rechargeable)
Water Resistance100m (10 ATM)100m (10 ATM)
CrystalMineral GlassSapphire with Anti-Reflective Coating
Case MaterialBio-Based ResinBio-Based Resin / Stainless Steel
OriginCasio (Japan)Casio (Japan)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Casio's design language vs Casio'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 Casio Pro Trek PRW-B1000-1 offers Bio-Based Resin / Stainless Steel construction at 50.8 × 45.8 × 14.9mm with Sapphire with Anti-Reflective Coating. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Draw

Tough Solar (Solar Quartz) vs Tough Solar (Solar Quartz), Radio-Controlled

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 Pro Trek PRW-B1000-1 uses the Tough Solar (Solar Quartz), Radio-Controlled (Tough Solar Quartz, Multi-Band 6 + Bluetooth, Tough Solar (Rechargeable) reserve) at standard. Power reserves are closely matched.

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Wearability & Fit

Edge: Casio

54.7 × 51.7 × 15.1mm vs 50.8 × 45.8 × 14.9mm — different wrist presence

At 54.7 × 51.7 × 15.1mm, the Pro Trek PRG340-1 has a bolder wrist presence compared to the Pro Trek PRW-B1000-1 at 50.8 × 45.8 × 14.9mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).

💰

Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Casio Pro Trek PRG340-1 sits at $150–$250 and the Casio Pro Trek PRW-B1000-1 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 with Anti-Reflective Coating and Tough Solar (Rechargeable) on the Pro Trek PRW-B1000-1. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Draw

100m (10 ATM) vs 100m (10 ATM)

The Pro Trek PRG340-1 is rated to 100m (10 ATM) while the Pro Trek PRW-B1000-1 handles 100m (10 ATM). Both offer identical water resistance ratings.

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.

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Casio

Pro Trek PRW-B1000-1

Choose the Casio Pro Trek PRW-B1000-1 if you value Tough Solar Quartz, Multi-Band 6 + Bluetooth technology, Casio (Japan) heritage, and 50.8 × 45.8 × 14.9mm proportions. At $500–$1,000, the Tough Solar (Solar Quartz), Radio-Controlled with Tough Solar (Rechargeable) power reserve makes it a compelling choice.

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The Bottom Line

The Casio Pro Trek PRG340-1 and Casio Pro Trek PRW-B1000-1 represent two distinct approaches to the timepiece category — the Casio bringing Casio (Japan) tradition while Casio delivers Casio (Japan) engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Casio Pro Trek PRG340-1 ($150–$250) offers Tough Solar (Solar Quartz) with Tough Solar (Rechargeable) power reserve, while the Casio Pro Trek PRW-B1000-1 ($500–$1,000) features Tough Solar (Solar Quartz), Radio-Controlled with 100m (10 ATM) water resistance. Choose based on your priorities: Casio (Japan) craftsmanship vs Casio (Japan) engineering.
The Casio Pro Trek PRG340-1 offers better upfront value, sitting a tier lower at $150–$250. However, the Casio Pro Trek PRW-B1000-1 may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Pro Trek PRG340-1 at 54.7 × 51.7 × 15.1mm with 100m (10 ATM) water resistance handles everyday situations. The Pro Trek PRW-B1000-1 at 50.8 × 45.8 × 14.9mm with 100m (10 ATM) is similarly capable. The Pro Trek PRG340-1 uses Mineral Glass while the Pro Trek PRW-B1000-1 uses Sapphire with Anti-Reflective Coating. Sapphire resists scratches noticeably better than mineral glass.

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.