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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Specifications Compared
| Feature | Casio MRW-230H | Girard-Perregaux Laureato Chronograph 42mm (steel, blue dial) |
|---|---|---|
| Price | Under $50 | $25,000+ |
| Case Size | 44.6mm (47.9 x 44.6 x 12.3mm) | 42mm |
| Movement | Quartz | Automatic chronograph, GP03300-0141 |
| Caliber Type | Casio Quartz (Battery) | Girard-Perregaux GP03300, in-house automatic column-wheel chronograph |
| Power Reserve | Approx. 3-year battery (SR626SW) | About 46 hours |
| Water Resistance | 100m (10 ATM) | 100m (10 ATM) |
| Crystal | Resin Glass | Sapphire Crystal, sapphire caseback |
| Case Material | Resin case, aluminum bezel ring | Stainless steel, octagonal bezel |
| Origin | Casio (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
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.
Movement & Performance
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.
Wearability & Fit
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).
Value & Cost of Ownership
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.
Water Resistance
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.
Check Price on AmazonGirard-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.
Check Price on AmazonThe 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
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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.

