Head-to-Head Comparison

Updated

Casio MRW-230H vs Girard-Perregaux Laureato Chronograph 42mm (steel, blue dial)

Casio's timepiece meets Girard-Perregaux's chronograph

Quick Verdict

The Casio MRW-230H (Under $50) offers Casio Quartz (Battery) precision in the tier below the Girard-Perregaux Laureato Chronograph 42mm (steel, blue dial) ($25,000+). The MRW-230H measures 44.6mm (47.9 x 44.6 x 12.3mm) and is rated 100m (10 ATM). The Laureato Chronograph 42mm (steel, blue dial) counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.

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Casio MRW-230H

Casio

MRW-230H

Under $50

Girard-Perregaux Laureato Chronograph 42mm (steel, blue dial)

Girard-Perregaux

Laureato Chronograph 42mm (steel, blue dial)

$25,000+

Specifications Compared

FeatureCasio MRW-230HGirard-Perregaux Laureato Chronograph 42mm (steel, blue dial)
PriceUnder $50$25,000+
Case Size44.6mm (47.9 x 44.6 x 12.3mm)42mm
MovementQuartzAutomatic chronograph, GP03300-0141
Caliber TypeCasio Quartz (Battery)Girard-Perregaux GP03300, in-house automatic column-wheel chronograph
Power ReserveApprox. 3-year battery (SR626SW)About 46 hours
Water Resistance100m (10 ATM)100m (10 ATM)
CrystalResin GlassSapphire Crystal, sapphire caseback
Case MaterialResin case, aluminum bezel ringStainless steel, octagonal bezel
OriginCasio (Japan)Swiss Made

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Casio's design language vs Girard-Perregaux'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 Girard-Perregaux Laureato Chronograph 42mm (steel, blue dial) offers Stainless steel, octagonal bezel construction at 42mm with Sapphire Crystal, sapphire caseback. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Girard-Perregaux

Quartz vs Automatic chronograph, GP03300-0141

The MRW-230H runs the Quartz (Casio Quartz (Battery), Approx. 3-year battery (SR626SW) power reserve) at standard frequency. The Laureato Chronograph 42mm (steel, blue dial) uses the Automatic chronograph, GP03300-0141 (Girard-Perregaux GP03300, in-house automatic column-wheel chronograph, About 46 hours reserve) at standard. The Laureato Chronograph 42mm (steel, blue dial) offers a longer power reserve.

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Wearability & Fit

Edge: Girard-Perregaux

44.6mm (47.9 x 44.6 x 12.3mm) vs 42mm — 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 Laureato Chronograph 42mm (steel, blue dial) at 42mm. 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 Girard-Perregaux Laureato Chronograph 42mm (steel, blue dial) at $25,000+. On the specs that outlast any price: the MRW-230H uses Resin Glass with Approx. 3-year battery (SR626SW), against Sapphire Crystal, sapphire caseback and About 46 hours on the Laureato Chronograph 42mm (steel, blue dial). 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 Laureato Chronograph 42mm (steel, blue dial) 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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Girard-Perregaux

Laureato Chronograph 42mm (steel, blue dial)

Choose the Girard-Perregaux Laureato Chronograph 42mm (steel, blue dial) if you value Girard-Perregaux GP03300, in-house automatic column-wheel chronograph technology, Swiss Made heritage, and 42mm proportions. At $25,000+, the Automatic chronograph, GP03300-0141 with About 46 hours power reserve makes it a compelling choice.

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The Bottom Line

The Casio MRW-230H and Girard-Perregaux Laureato Chronograph 42mm (steel, blue dial) represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Girard-Perregaux delivers Swiss Made engineering.

Frequently Asked Questions

The Girard-Perregaux Laureato Chronograph 42mm (steel, blue dial) 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 $25,000+), 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 Girard-Perregaux Laureato Chronograph 42mm (steel, blue dial) 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 Laureato Chronograph 42mm (steel, blue dial) at 42mm with 100m (10 ATM) is similarly capable. The MRW-230H uses Resin Glass while the Laureato Chronograph 42mm (steel, blue dial) uses Sapphire Crystal, sapphire caseback.

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.