Head-to-Head Comparison

Updated September 5, 2026

Casio MRW-230H vs Hamilton Khaki Aviation Pilot Auto

Casio's timepiece meets Hamilton's pilot watch

Quick Verdict

The Casio MRW-230H (Under $50) offers Casio Quartz (Battery) precision in the tier below the Hamilton Khaki Aviation Pilot Auto ($1,000–$1,500). The MRW-230H measures 44.6mm (47.9 x 44.6 x 12.3mm) and is rated 100m (10 ATM). The Khaki Aviation Pilot Auto counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches 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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Hamilton

Khaki Aviation Pilot Auto

$1,000–$1,500

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Specifications Compared

Feature	Casio MRW-230H	Hamilton Khaki Aviation Pilot Auto
Price	Under $50	$1,000–$1,500
Case Size	44.6mm (47.9 x 44.6 x 12.3mm)	38mm
Movement	Quartz	Automatic H-10 (ETA 2824-2 base)
Caliber Type	Casio Quartz (Battery)	Hamilton/ETA 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 Hamilton'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 Hamilton Khaki Aviation Pilot Auto offers Stainless Steel construction at 38mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Hamilton

Quartz vs Automatic H-10 (ETA 2824-2 base)

The MRW-230H runs the Quartz (Casio Quartz (Battery), Approx. 3-year battery (SR626SW) power reserve) at standard frequency. The Khaki Aviation Pilot Auto uses the Automatic H-10 (ETA 2824-2 base) (Hamilton/ETA Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The Khaki Aviation Pilot Auto offers a longer power reserve.

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Wearability & Fit

Edge: Hamilton

44.6mm (47.9 x 44.6 x 12.3mm) vs 38mm — 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 Khaki Aviation Pilot Auto at 38mm. 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 Hamilton Khaki Aviation Pilot Auto at $1,000–$1,500. 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 Khaki Aviation Pilot Auto. 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 Khaki Aviation Pilot Auto 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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Hamilton

Khaki Aviation Pilot Auto

Choose the Hamilton Khaki Aviation Pilot Auto if you value Hamilton/ETA Automatic technology, Swiss Made heritage, and 38mm proportions. At $1,000–$1,500, the Automatic H-10 (ETA 2824-2 base) with 80 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Casio MRW-230H and Hamilton Khaki Aviation Pilot Auto represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Hamilton delivers Swiss Made engineering.

Frequently Asked Questions

The Hamilton Khaki Aviation Pilot Auto 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 $1,000–$1,500), 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 Hamilton Khaki Aviation Pilot Auto 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 Khaki Aviation Pilot Auto at 38mm with 100m (10 ATM) is similarly capable. The MRW-230H uses Resin Glass while the Khaki Aviation Pilot Auto 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.