Head-to-Head Comparison

Casio Pro Trek PRW3500T-7 vs Citizen Promaster Skyhawk A-T

Casio's diver meets Citizen's chronograph

Quick Verdict

The Casio Pro Trek PRW3500T-7 ($250–$500) offers Tough Solar Quartz, Multi-Band 6 precision in the tier below the Citizen Promaster Skyhawk A-T ($500–$1,000). The Pro Trek PRW3500T-7 measures 56.9 × 53.4 × 14.8mm and is rated 200m (20 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.

Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.

Casio Pro Trek PRW3500T-7

Casio

Pro Trek PRW3500T-7

$250–$500

Citizen Promaster Skyhawk A-T

Citizen

Promaster Skyhawk A-T

$500–$1,000

Specifications Compared

FeatureCasio Pro Trek PRW3500T-7Citizen Promaster Skyhawk A-T
Price$250–$500$500–$1,000
Case Size56.9 × 53.4 × 14.8mm45mm
MovementTough Solar (Solar Quartz), Radio-ControlledEco-Drive (Radio-Controlled, Atomic Timekeeping)
Caliber TypeTough Solar Quartz, Multi-Band 6Citizen Eco-Drive U680 (Solar + Radio-Controlled)
Power ReserveTough Solar (Rechargeable)
Water Resistance200m (20 ATM)200m (20 ATM)
CrystalMineral GlassSapphire Crystal
Case MaterialResin / Stainless Steel, Titanium BraceletStainless Steel (Black Ion-Plated)
OriginCasio (Japan)Made in Japan

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Casio's design language vs Citizen's approach

The Casio Pro Trek PRW3500T-7 features a Resin / Stainless Steel, Titanium Bracelet case at 56.9 × 53.4 × 14.8mm 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.

⚙️

Movement & Performance

Edge: Draw

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

The Pro Trek PRW3500T-7 runs the Tough Solar (Solar Quartz), Radio-Controlled (Tough Solar Quartz, Multi-Band 6, 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.

📏

Wearability & Fit

Edge: Citizen

56.9 × 53.4 × 14.8mm vs 45mm — different wrist presence

At 56.9 × 53.4 × 14.8mm, the Pro Trek PRW3500T-7 has a bolder wrist presence compared to the Promaster Skyhawk A-T at 45mm. Water resistance differs: 200m (20 ATM) vs 200m (20 ATM).

💰

Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Casio Pro Trek PRW3500T-7 sits at $250–$500 and the Citizen Promaster Skyhawk A-T at $500–$1,000. On the specs that outlast any price: the Pro Trek PRW3500T-7 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.

💧

Water Resistance

Edge: Draw

200m (20 ATM) vs 200m (20 ATM)

The Pro Trek PRW3500T-7 is rated to 200m (20 ATM) while the Promaster Skyhawk A-T handles 200m (20 ATM). Both offer identical water resistance ratings.

Our Verdict

Casio

Pro Trek PRW3500T-7

Choose the Casio Pro Trek PRW3500T-7 if you prioritize Tough Solar Quartz, Multi-Band 6 engineering, Casio (Japan) craftsmanship, and 200m (20 ATM) water resistance. At $250–$500, it delivers Tough Solar (Solar Quartz), Radio-Controlled with Tough Solar (Rechargeable) power reserve.

Check Price on Amazon

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.

Check Price on Amazon

The Bottom Line

The Casio Pro Trek PRW3500T-7 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

Neither is objectively better — they serve different preferences. The Casio Pro Trek PRW3500T-7 ($250–$500) offers Tough Solar (Solar Quartz), Radio-Controlled with Tough Solar (Rechargeable) power reserve, while the Citizen Promaster Skyhawk A-T ($500–$1,000) features Eco-Drive (Radio-Controlled, Atomic Timekeeping) with 200m (20 ATM) water resistance. Choose based on your priorities: Casio (Japan) craftsmanship vs Made in Japan engineering.
The Casio Pro Trek PRW3500T-7 offers better upfront value, sitting a tier lower at $250–$500. 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 PRW3500T-7 at 56.9 × 53.4 × 14.8mm with 200m (20 ATM) water resistance handles everyday situations. The Promaster Skyhawk A-T at 45mm with 200m (20 ATM) is similarly capable. The Pro Trek PRW3500T-7 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.