Head-to-Head Comparison

Updated September 5, 2026

Cartier Ballon Bleu 33 Automatic vs Casio MRW-230H

Two timepieces compared — $5,000–$10,000 vs Under $50

Quick Verdict

The Casio MRW-230H (Under $50) delivers Casio Quartz (Battery) technology in the tier below the Cartier Ballon Bleu 33 Automatic ($5,000–$10,000). The MRW-230H measures 44.6mm (47.9 x 44.6 x 12.3mm) and is rated 100m (10 ATM). The Ballon Bleu 33 Automatic justifies its premium with Swiss Made heritage and Automatic, Cartier calibre 076. Both represent excellent choices in the timepiece category.

CartierBallon Bleu 33 Automatic$5,000–$10,000 Check price CasioMRW-230HUnder $50 Check price

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Cartier

Ballon Bleu 33 Automatic

$5,000–$10,000

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Casio

MRW-230H

Under $50

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Specifications Compared

Feature	Cartier Ballon Bleu 33 Automatic	Casio MRW-230H
Price	$5,000–$10,000	Under $50
Case Size	33mm	44.6mm (47.9 x 44.6 x 12.3mm)
Movement	Automatic, Cartier calibre 076	Quartz
Caliber Type	Cartier automatic (calibre 076, in the 33mm automatic)	Casio Quartz (Battery)
Power Reserve	About 38 hours	Approx. 3-year battery (SR626SW)
Water Resistance	30m (3 ATM)	100m (10 ATM)
Crystal	Sapphire Crystal	Resin Glass
Case Material	Stainless steel	Resin case, aluminum bezel ring
Origin	Swiss Made	Casio (Japan)

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Cartier's design language vs Casio's approach

The Cartier Ballon Bleu 33 Automatic features a Stainless steel case at 33mm with Sapphire Crystal protection. The Casio MRW-230H offers Resin case, aluminum bezel ring construction at 44.6mm (47.9 x 44.6 x 12.3mm) with Resin Glass. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Casio

Automatic, Cartier calibre 076 vs Quartz

The Ballon Bleu 33 Automatic runs the Automatic, Cartier calibre 076 (Cartier automatic (calibre 076, in the 33mm automatic), About 38 hours power reserve) at standard frequency. The MRW-230H uses the Quartz (Casio Quartz (Battery), Approx. 3-year battery (SR626SW) reserve) at standard. The MRW-230H offers a longer power reserve.

📏

Wearability & Fit

Edge: Cartier

33mm vs 44.6mm (47.9 x 44.6 x 12.3mm) — different wrist presence

At 33mm, the Ballon Bleu 33 Automatic wears more compactly on smaller wrists compared to the MRW-230H at 44.6mm (47.9 x 44.6 x 12.3mm). Water resistance differs: 30m (3 ATM) vs 100m (10 ATM).

💰

Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Cartier Ballon Bleu 33 Automatic sits at $5,000–$10,000 and the Casio MRW-230H at Under $50. On the specs that outlast any price: the Ballon Bleu 33 Automatic uses Sapphire Crystal with About 38 hours, against Resin Glass and Approx. 3-year battery (SR626SW) on the MRW-230H. Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Casio

30m (3 ATM) vs 100m (10 ATM)

The Ballon Bleu 33 Automatic is rated to 30m (3 ATM) while the MRW-230H handles 100m (10 ATM). The MRW-230H offers superior water resistance.

Our Verdict

Cartier

Ballon Bleu 33 Automatic

Choose the Cartier Ballon Bleu 33 Automatic if you prioritize Cartier automatic (calibre 076, in the 33mm automatic) engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At $5,000–$10,000, it delivers Automatic, Cartier calibre 076 with About 38 hours power reserve.

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Casio

MRW-230H

Choose the Casio MRW-230H if you value Casio Quartz (Battery) technology, Casio (Japan) heritage, and 44.6mm (47.9 x 44.6 x 12.3mm) proportions. At Under $50, the Quartz with Approx. 3-year battery (SR626SW) power reserve makes it a compelling choice.

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The Bottom Line

The Cartier Ballon Bleu 33 Automatic and Casio MRW-230H represent two distinct approaches to the timepiece category — the Cartier bringing Swiss Made tradition while Casio delivers Casio (Japan) engineering.

Frequently Asked Questions

The Cartier Ballon Bleu 33 Automatic 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. For water, the Casio MRW-230H is rated 100 m against 30 m, which is the difference between swimming and diving on one side and splashes on the other. On price, the Casio MRW-230H sits a band lower (Under $50 against $5,000–$10,000), 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 Cartier Ballon Bleu 33 Automatic may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The Ballon Bleu 33 Automatic at 33mm with 30m (3 ATM) water resistance handles everyday situations. The MRW-230H at 44.6mm (47.9 x 44.6 x 12.3mm) with 100m (10 ATM) is similarly capable. The Ballon Bleu 33 Automatic uses Sapphire Crystal while the MRW-230H uses Resin Glass.

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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.