Head-to-Head Comparison

Casio Pro Trek PRG601-1 vs Tissot Gentleman Powermatic 80 Silicium

Casio's timepiece meets Tissot's dress watch

Quick Verdict

The Casio Pro Trek PRG601-1 ($250–$500) offers Tough Solar Quartz (No Battery Change) precision in the tier below the Tissot Gentleman Powermatic 80 Silicium ($500–$1,000). The Pro Trek PRG601-1 measures 51.6mm and is rated 100m (10 ATM). The Gentleman Powermatic 80 Silicium counters with Swiss Made (Swatch Group) craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.

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Casio Pro Trek PRG601-1

Casio

Pro Trek PRG601-1

$250–$500

Tissot Gentleman Powermatic 80 Silicium

Tissot

Gentleman Powermatic 80 Silicium

$500–$1,000

Specifications Compared

FeatureCasio Pro Trek PRG601-1Tissot Gentleman Powermatic 80 Silicium
Price$250–$500$500–$1,000
Case Size51.6mm40mm
MovementTough Solar (Solar Quartz)Powermatic 80.811 (Silicon Hairspring)
Caliber TypeTough Solar Quartz (No Battery Change)ETA-Based Automatic with Silicon Hairspring
Power Reserve7 Months (Solar, Full Charge); 25 Months Power Save80 Hours
Water Resistance100m (10 ATM)100m (10 ATM)
CrystalMineral GlassSapphire Crystal
Case MaterialBio-Based Resin / Stainless SteelStainless Steel
OriginCasio (Japan)Swiss Made (Swatch Group)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Casio's design language vs Tissot's approach

The Casio Pro Trek PRG601-1 features a Bio-Based Resin / Stainless Steel case at 51.6mm with Mineral Glass protection. The Tissot Gentleman Powermatic 80 Silicium offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Tissot

Tough Solar (Solar Quartz) vs Powermatic 80.811 (Silicon Hairspring)

The Pro Trek PRG601-1 runs the Tough Solar (Solar Quartz) (Tough Solar Quartz (No Battery Change), 7 Months (Solar, Full Charge); 25 Months Power Save power reserve) at standard frequency. The Gentleman Powermatic 80 Silicium uses the Powermatic 80.811 (Silicon Hairspring) (ETA-Based Automatic with Silicon Hairspring, 80 Hours reserve) at 21,600 vph (3 Hz). The Gentleman Powermatic 80 Silicium offers a longer power reserve.

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Wearability & Fit

Edge: Tissot

51.6mm vs 40mm — different wrist presence

At 51.6mm, the Pro Trek PRG601-1 has a bolder wrist presence compared to the Gentleman Powermatic 80 Silicium at 40mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).

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Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Casio Pro Trek PRG601-1 sits at $250–$500 and the Tissot Gentleman Powermatic 80 Silicium at $500–$1,000. On the specs that outlast any price: the Pro Trek PRG601-1 uses Mineral Glass with 7 Months (Solar, Full Charge); 25 Months Power Save, against Sapphire Crystal and 80 Hours on the Gentleman Powermatic 80 Silicium. 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 PRG601-1 is rated to 100m (10 ATM) while the Gentleman Powermatic 80 Silicium handles 100m (10 ATM). Both offer identical water resistance ratings.

Our Verdict

Casio

Pro Trek PRG601-1

Choose the Casio Pro Trek PRG601-1 if you prioritize Tough Solar Quartz (No Battery Change) engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At $250–$500, it delivers Tough Solar (Solar Quartz) with 7 Months (Solar, Full Charge); 25 Months Power Save power reserve.

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Tissot

Gentleman Powermatic 80 Silicium

Choose the Tissot Gentleman Powermatic 80 Silicium if you value ETA-Based Automatic with Silicon Hairspring technology, Swiss Made (Swatch Group) heritage, and 40mm proportions. At $500–$1,000, the Powermatic 80.811 (Silicon Hairspring) with 80 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Casio Pro Trek PRG601-1 and Tissot Gentleman Powermatic 80 Silicium represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Tissot delivers Swiss Made (Swatch Group) engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Casio Pro Trek PRG601-1 ($250–$500) offers Tough Solar (Solar Quartz) with 7 Months (Solar, Full Charge); 25 Months Power Save power reserve, while the Tissot Gentleman Powermatic 80 Silicium ($500–$1,000) features Powermatic 80.811 (Silicon Hairspring) with 100m (10 ATM) water resistance. Choose based on your priorities: Casio (Japan) craftsmanship vs Swiss Made (Swatch Group) engineering.
The Casio Pro Trek PRG601-1 offers better upfront value, sitting a tier lower at $250–$500. However, the Tissot Gentleman Powermatic 80 Silicium may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Pro Trek PRG601-1 at 51.6mm with 100m (10 ATM) water resistance handles everyday situations. The Gentleman Powermatic 80 Silicium at 40mm with 100m (10 ATM) is similarly capable. The Pro Trek PRG601-1 uses Mineral Glass while the Gentleman Powermatic 80 Silicium 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.