Head-to-Head Comparison

Citizen Tsuyosa Automatic vs Casio Pro Trek PRW3500T-7

Citizen's timepiece meets Casio's diver

Quick Verdict

The Citizen Tsuyosa Automatic ($250–$500) and Casio Pro Trek PRW3500T-7 ($250–$500) are closely matched timepieces at similar price points. The Tsuyosa Automatic emphasizes Citizen/Miyota In-House Automatic engineering while the Pro Trek PRW3500T-7 focuses on Casio (Japan) craftsmanship.

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Citizen Tsuyosa Automatic

Citizen

Tsuyosa Automatic

$250–$500

Casio Pro Trek PRW3500T-7

Casio

Pro Trek PRW3500T-7

$250–$500

Specifications Compared

FeatureCitizen Tsuyosa AutomaticCasio Pro Trek PRW3500T-7
Price$250–$500$250–$500
Case Size40mm56.9 × 53.4 × 14.8mm
MovementAutomatic Caliber 8210Tough Solar (Solar Quartz), Radio-Controlled
Caliber TypeCitizen/Miyota In-House AutomaticTough Solar Quartz, Multi-Band 6
Power Reserve40 HoursTough Solar (Rechargeable)
Water Resistance50m (5 ATM)200m (20 ATM)
CrystalSapphire Crystal with CyclopsMineral Glass
Case MaterialStainless SteelResin / Stainless Steel, Titanium Bracelet
OriginMade in JapanCasio (Japan)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Citizen's design language vs Casio's approach

The Citizen Tsuyosa Automatic features a Stainless Steel case at 40mm with Sapphire Crystal with Cyclops protection. The Casio Pro Trek PRW3500T-7 offers Resin / Stainless Steel, Titanium Bracelet construction at 56.9 × 53.4 × 14.8mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Citizen

Automatic Caliber 8210 vs Tough Solar (Solar Quartz), Radio-Controlled

The Tsuyosa Automatic runs the Automatic Caliber 8210 (Citizen/Miyota In-House Automatic, 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Pro Trek PRW3500T-7 uses the Tough Solar (Solar Quartz), Radio-Controlled (Tough Solar Quartz, Multi-Band 6, Tough Solar (Rechargeable) reserve) at standard. The Tsuyosa Automatic edges ahead on power reserve.

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Wearability & Fit

Edge: Citizen

40mm vs 56.9 × 53.4 × 14.8mm — different wrist presence

At 40mm, the Tsuyosa Automatic wears more compactly on smaller wrists compared to the Pro Trek PRW3500T-7 at 56.9 × 53.4 × 14.8mm. Water resistance differs: 50m (5 ATM) vs 200m (20 ATM).

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Value & Cost of Ownership

Edge: Draw

Same tier — different value propositions

The Citizen Tsuyosa Automatic sits at $250–$500 and the Casio Pro Trek PRW3500T-7 at $250–$500. On the specs that outlast any price: the Tsuyosa Automatic uses Sapphire Crystal with Cyclops with 40 Hours, against Mineral Glass and Tough Solar (Rechargeable) on the Pro Trek PRW3500T-7. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Casio

50m (5 ATM) vs 200m (20 ATM)

The Tsuyosa Automatic is rated to 50m (5 ATM) while the Pro Trek PRW3500T-7 handles 200m (20 ATM). The Pro Trek PRW3500T-7 offers superior water resistance.

Our Verdict

Citizen

Tsuyosa Automatic

Choose the Citizen Tsuyosa Automatic if you prioritize Citizen/Miyota In-House Automatic engineering, Made in Japan craftsmanship, and 50m (5 ATM) water resistance. At $250–$500, it delivers Automatic Caliber 8210 with 40 Hours power reserve.

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Casio

Pro Trek PRW3500T-7

Choose the Casio Pro Trek PRW3500T-7 if you value Tough Solar Quartz, Multi-Band 6 technology, Casio (Japan) heritage, and 56.9 × 53.4 × 14.8mm proportions. At $250–$500, 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 Citizen Tsuyosa Automatic and Casio Pro Trek PRW3500T-7 represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Casio delivers Casio (Japan) engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Citizen Tsuyosa Automatic ($250–$500) offers Automatic Caliber 8210 with 40 Hours power reserve, while the Casio Pro Trek PRW3500T-7 ($250–$500) features Tough Solar (Solar Quartz), Radio-Controlled with 200m (20 ATM) water resistance. Choose based on your priorities: Made in Japan craftsmanship vs Casio (Japan) engineering.
Both are priced similarly, making this a question of preference rather than value. The Tsuyosa Automatic emphasizes Citizen/Miyota In-House Automatic technology while the Pro Trek PRW3500T-7 prioritizes Tough Solar Quartz, Multi-Band 6 precision.
Both are suitable for daily wear. The Tsuyosa Automatic at 40mm with 50m (5 ATM) water resistance handles everyday situations. The Pro Trek PRW3500T-7 at 56.9 × 53.4 × 14.8mm with 200m (20 ATM) is similarly capable. The Tsuyosa Automatic uses Sapphire Crystal with Cyclops while the Pro Trek PRW3500T-7 uses Mineral Glass. 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.