Head-to-Head Comparison

Updated

Casio Pro Trek PRG270-1 vs Citizen Promaster Skyhawk A-T

Casio's timepiece meets Citizen's chronograph

Quick Verdict

The Casio Pro Trek PRG270-1 ($150–$250) offers Tough Solar Quartz (No Battery Change) precision in the tier below the Citizen Promaster Skyhawk A-T ($500–$1,000). The Pro Trek PRG270-1 measures 54.6 × 52.4 × 15mm and is rated 100m (10 ATM). The Promaster Skyhawk A-T counters with Made in Japan craftsmanship and 200m (20 ATM) water resistance. Both are exceptional watches for their respective tiers.

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Casio Pro Trek PRG270-1

Casio

Pro Trek PRG270-1

$150–$250

Citizen Promaster Skyhawk A-T

Citizen

Promaster Skyhawk A-T

$500–$1,000

Specifications Compared

FeatureCasio Pro Trek PRG270-1Citizen Promaster Skyhawk A-T
Price$150–$250$500–$1,000
Case Size54.6 × 52.4 × 15mm45mm
MovementTough Solar (Solar Quartz)Eco-Drive (Radio-Controlled, Atomic Timekeeping)
Caliber TypeTough Solar Quartz (No Battery Change)Citizen Eco-Drive U680 (Solar + Radio-Controlled)
Power ReserveTough Solar (Rechargeable)—
Water Resistance100m (10 ATM)200m (20 ATM)
CrystalMineral GlassSapphire Crystal
Case MaterialResinStainless Steel (Black Ion-Plated)
OriginCasio (Japan)Made in Japan

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Casio's design language vs Citizen's approach

The Casio Pro Trek PRG270-1 features a Resin case at 54.6 × 52.4 × 15mm with Mineral Glass protection. The Citizen Promaster Skyhawk A-T offers Stainless Steel (Black Ion-Plated) construction at 45mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Draw

Tough Solar (Solar Quartz) vs Eco-Drive (Radio-Controlled, Atomic Timekeeping)

The Pro Trek PRG270-1 runs the Tough Solar (Solar Quartz) (Tough Solar Quartz (No Battery Change), Tough Solar (Rechargeable) power reserve) at standard frequency. The Promaster Skyhawk A-T uses the Eco-Drive (Radio-Controlled, Atomic Timekeeping) (Citizen Eco-Drive U680 (Solar + Radio-Controlled), standard reserve) at standard. Power reserves are closely matched.

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Wearability & Fit

Edge: Citizen

54.6 × 52.4 × 15mm vs 45mm — different wrist presence

At 54.6 × 52.4 × 15mm, the Pro Trek PRG270-1 has a bolder wrist presence compared to the Promaster Skyhawk A-T at 45mm. Water resistance differs: 100m (10 ATM) vs 200m (20 ATM).

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Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Casio Pro Trek PRG270-1 sits at $150–$250 and the Citizen Promaster Skyhawk A-T at $500–$1,000. On the specs that outlast any price: the Pro Trek PRG270-1 uses Mineral Glass with Tough Solar (Rechargeable), against Sapphire Crystal and a standard reserve on the Promaster Skyhawk A-T. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Citizen

100m (10 ATM) vs 200m (20 ATM)

The Pro Trek PRG270-1 is rated to 100m (10 ATM) while the Promaster Skyhawk A-T handles 200m (20 ATM). The Promaster Skyhawk A-T offers superior water resistance.

Our Verdict

Casio

Pro Trek PRG270-1

Choose the Casio Pro Trek PRG270-1 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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Citizen

Promaster Skyhawk A-T

Choose the Citizen Promaster Skyhawk A-T if you value Citizen Eco-Drive U680 (Solar + Radio-Controlled) technology, Made in Japan heritage, and 45mm proportions. At $500–$1,000, the Eco-Drive (Radio-Controlled, Atomic Timekeeping) with ample power reserve makes it a compelling choice.

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The Bottom Line

The Casio Pro Trek PRG270-1 and Citizen Promaster Skyhawk A-T represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Citizen delivers Made in Japan engineering.

Frequently Asked Questions

For water, the Citizen Promaster Skyhawk A-T is rated 200 m against 100 m, which is the difference between swimming and diving on one side and splashes on the other. On price, the Casio Pro Trek PRG270-1 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 PRG270-1 offers better upfront value, sitting a tier lower at $150–$250. However, the Citizen Promaster Skyhawk A-T may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Pro Trek PRG270-1 at 54.6 × 52.4 × 15mm with 100m (10 ATM) water resistance handles everyday situations. The Promaster Skyhawk A-T at 45mm with 200m (20 ATM) is similarly capable. The Pro Trek PRG270-1 uses Mineral Glass while the Promaster Skyhawk A-T uses Sapphire Crystal. 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.