Head-to-Head Comparison

Updated September 5, 2026

Casio MRW-230H vs Tissot PRX Powermatic 80 35mm

Two timepieces compared — Under $50 vs $500–$1,000

Quick Verdict

The Casio MRW-230H (Under $50) offers Casio Quartz (Battery) precision in the tier below the Tissot PRX Powermatic 80 35mm ($500–$1,000). The MRW-230H measures 44.6mm (47.9 x 44.6 x 12.3mm) and is rated 100m (10 ATM). The PRX Powermatic 80 35mm counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional timepieces for their respective tiers.

CasioMRW-230HUnder $50 Check price View the dossier

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Casio

MRW-230H

Under $50

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Tissot

PRX Powermatic 80 35mm

$500–$1,000

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Specifications Compared

Feature	Casio MRW-230H	Tissot PRX Powermatic 80 35mm
Price	Under $50	$500–$1,000
Case Size	44.6mm (47.9 x 44.6 x 12.3mm)	35mm
Movement	Quartz	Automatic Powermatic 80 (Caliber 80.111)
Caliber Type	Casio Quartz (Battery)	ETA/Tissot Automatic
Power Reserve	Approx. 3-year battery (SR626SW)	80 Hours
Water Resistance	100m (10 ATM)	100m (10 ATM)
Crystal	Resin Glass	Sapphire Crystal
Case Material	Resin case, aluminum bezel ring	Stainless Steel
Origin	Casio (Japan)	Swiss Made

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Casio's design language vs Tissot's approach

The Casio MRW-230H features a Resin case, aluminum bezel ring case at 44.6mm (47.9 x 44.6 x 12.3mm) with Resin Glass protection. The Tissot PRX Powermatic 80 35mm offers Stainless Steel construction at 35mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Tissot

Quartz vs Automatic Powermatic 80 (Caliber 80.111)

The MRW-230H runs the Quartz (Casio Quartz (Battery), Approx. 3-year battery (SR626SW) power reserve) at standard frequency. The PRX Powermatic 80 35mm uses the Automatic Powermatic 80 (Caliber 80.111) (ETA/Tissot Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The PRX Powermatic 80 35mm offers a longer power reserve.

📏

Wearability & Fit

Edge: Tissot

44.6mm (47.9 x 44.6 x 12.3mm) vs 35mm — different wrist presence

At 44.6mm (47.9 x 44.6 x 12.3mm), the MRW-230H has a bolder wrist presence compared to the PRX Powermatic 80 35mm at 35mm. 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 MRW-230H sits at Under $50 and the Tissot PRX Powermatic 80 35mm at $500–$1,000. On the specs that outlast any price: the MRW-230H uses Resin Glass with Approx. 3-year battery (SR626SW), against Sapphire Crystal and 80 Hours on the PRX Powermatic 80 35mm. 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 MRW-230H is rated to 100m (10 ATM) while the PRX Powermatic 80 35mm handles 100m (10 ATM). Both offer identical water resistance ratings.

Our Verdict

Casio

MRW-230H

Choose the Casio MRW-230H if you prioritize Casio Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At Under $50, it delivers Quartz with Approx. 3-year battery (SR626SW) power reserve.

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Tissot

PRX Powermatic 80 35mm

Choose the Tissot PRX Powermatic 80 35mm if you value ETA/Tissot Automatic technology, Swiss Made heritage, and 35mm proportions. At $500–$1,000, the Automatic Powermatic 80 (Caliber 80.111) with 80 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Casio MRW-230H and Tissot PRX Powermatic 80 35mm represent two distinct approaches to the timepiece category — the Casio bringing Casio (Japan) tradition while Tissot delivers Swiss Made engineering.

Frequently Asked Questions

The Tissot PRX Powermatic 80 35mm is the better buy if you want a mechanical movement; the Casio MRW-230H is the better buy if you want quartz accuracy with no servicing. On price, the Casio MRW-230H sits a band lower (Under $50 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 MRW-230H offers better upfront value, sitting a tier lower at Under $50. However, the Tissot PRX Powermatic 80 35mm may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The MRW-230H at 44.6mm (47.9 x 44.6 x 12.3mm) with 100m (10 ATM) water resistance handles everyday situations. The PRX Powermatic 80 35mm at 35mm with 100m (10 ATM) is similarly capable. The MRW-230H uses Resin Glass while the PRX Powermatic 80 35mm uses Sapphire Crystal.

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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.