Head-to-Head Comparison

Updated

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

On price, the Casio Pro Trek PRG340-1 sits a band lower ($150–$250 against $500–$1,000), so it is the cheaper way into the category. Neither is better at everything; the spec table above shows movement, case size, water resistance and crystal side by side so you can weigh what matters to you. We do not test units, so this is the makers' data, not a bench result.
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.