Head-to-Head Comparison

Casio Pro Trek PRW3500T-7 vs Invicta Pro Diver Automatic

Two divers compared — $250–$500 vs $50–$100

Quick Verdict

The Invicta Pro Diver Automatic ($50–$100) delivers Seiko NH35 Automatic (Hacking, Hand-Winding) technology in the tier below the Casio Pro Trek PRW3500T-7 ($250–$500). The Pro Diver Automatic measures 40mm and is rated 200m (20 ATM). The Pro Trek PRW3500T-7 justifies its premium with Casio (Japan) heritage and Tough Solar (Solar Quartz), Radio-Controlled. Both represent excellent choices in the diver category.

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Casio Pro Trek PRW3500T-7

Casio

Pro Trek PRW3500T-7

$250–$500

Invicta Pro Diver Automatic

Invicta

Pro Diver Automatic

$50–$100

Specifications Compared

FeatureCasio Pro Trek PRW3500T-7Invicta Pro Diver Automatic
Price$250–$500$50–$100
Case Size56.9 × 53.4 × 14.8mm40mm
MovementTough Solar (Solar Quartz), Radio-ControlledAutomatic Seiko NH35
Caliber TypeTough Solar Quartz, Multi-Band 6Seiko NH35 Automatic (Hacking, Hand-Winding)
Power ReserveTough Solar (Rechargeable)41 Hours
Water Resistance200m (20 ATM)200m (20 ATM)
CrystalMineral GlassMineral Glass
Case MaterialResin / Stainless Steel, Titanium BraceletStainless Steel
OriginCasio (Japan)Japanese Movement (Seiko NH35)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Casio's design language vs Invicta'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 Invicta Pro Diver Automatic offers Stainless Steel construction at 40mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Invicta

Tough Solar (Solar Quartz), Radio-Controlled vs Automatic Seiko NH35

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 Pro Diver Automatic uses the Automatic Seiko NH35 (Seiko NH35 Automatic (Hacking, Hand-Winding), 41 Hours reserve) at 21,600 vph (3 Hz). The Pro Diver Automatic offers a longer power reserve.

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Wearability & Fit

Edge: Invicta

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

At 56.9 × 53.4 × 14.8mm, the Pro Trek PRW3500T-7 has a bolder wrist presence compared to the Pro Diver Automatic at 40mm. Water resistance differs: 200m (20 ATM) vs 200m (20 ATM).

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Value & Cost of Ownership

Edge: Invicta

Invicta sits in the lower tier

The Casio Pro Trek PRW3500T-7 sits at $250–$500 and the Invicta Pro Diver Automatic at $50–$100. On the specs that outlast any price: the Pro Trek PRW3500T-7 uses Mineral Glass with Tough Solar (Rechargeable), against Mineral Glass and 41 Hours on the Pro Diver Automatic. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Draw

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

The Pro Trek PRW3500T-7 is rated to 200m (20 ATM) while the Pro Diver Automatic 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.

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Invicta

Pro Diver Automatic

Choose the Invicta Pro Diver Automatic if you value Seiko NH35 Automatic (Hacking, Hand-Winding) technology, Japanese Movement (Seiko NH35) heritage, and 40mm proportions. At $50–$100, the Automatic Seiko NH35 with 41 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Casio Pro Trek PRW3500T-7 and Invicta Pro Diver Automatic represent two distinct approaches to the diver category — the Casio bringing Casio (Japan) tradition while Invicta delivers Japanese Movement (Seiko NH35) 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 Invicta Pro Diver Automatic ($50–$100) features Automatic Seiko NH35 with 200m (20 ATM) water resistance. Choose based on your priorities: Casio (Japan) craftsmanship vs Japanese Movement (Seiko NH35) engineering.
The Invicta Pro Diver Automatic offers better upfront value, sitting a tier lower at $50–$100. However, the Casio Pro Trek PRW3500T-7 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 Pro Diver Automatic at 40mm with 200m (20 ATM) is similarly capable. Both use 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.