Head-to-Head Comparison

Casio MTP-S120L Solar Field vs Patek Philippe Calatrava 6119R

Casio's field watch meets Patek Philippe's dress watch

Quick Verdict

The Casio MTP-S120L Solar Field ($100–$150) offers Casio Tough Solar Quartz precision in the tier below the Patek Philippe Calatrava 6119R ($25,000+). The MTP-S120L Solar Field measures 44.5mm and is rated 100m (10 ATM). The Calatrava 6119R counters with Swiss Made craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective tiers.

CasioMTP-S120L Solar Field$100–$150 Check price Patek PhilippeCalatrava 6119R$25,000+ Check price

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Casio

MTP-S120L Solar Field

$100–$150

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Patek Philippe

Calatrava 6119R

$25,000+

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Specifications Compared

Feature	Casio MTP-S120L Solar Field	Patek Philippe Calatrava 6119R
Price	$100–$150	$25,000+
Case Size	44.5mm	39mm
Movement	Solar-Powered Quartz	Manual-Wind Caliber 30-255 PS
Caliber Type	Casio Tough Solar Quartz	Patek Philippe In-House Manual-Wind
Power Reserve	Months on a full solar charge; no battery replacement	65 Hours
Water Resistance	100m (10 ATM)	30m (3 ATM)
Crystal	Mineral Crystal	Sapphire Crystal
Case Material	Stainless Steel	18k Rose Gold
Origin	Casio (Japan)	Swiss Made

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Casio's design language vs Patek Philippe's approach

The Casio MTP-S120L Solar Field features a Stainless Steel case at 44.5mm with Mineral Crystal protection. The Patek Philippe Calatrava 6119R offers 18k Rose Gold construction at 39mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Patek Philippe

Solar-Powered Quartz vs Manual-Wind Caliber 30-255 PS

The MTP-S120L Solar Field runs the Solar-Powered Quartz (Casio Tough Solar Quartz, Months on a full solar charge; no battery replacement power reserve) at standard frequency. The Calatrava 6119R uses the Manual-Wind Caliber 30-255 PS (Patek Philippe In-House Manual-Wind, 65 Hours reserve) at 28,800 vph (4 Hz). The Calatrava 6119R offers a longer power reserve.

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Wearability & Fit

Edge: Patek Philippe

44.5mm vs 39mm — different wrist presence

At 44.5mm, the MTP-S120L Solar Field has a bolder wrist presence compared to the Calatrava 6119R at 39mm. Water resistance differs: 100m (10 ATM) vs 30m (3 ATM).

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Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Casio MTP-S120L Solar Field sits at $100–$150 and the Patek Philippe Calatrava 6119R at $25,000+. On the specs that outlast any price: the MTP-S120L Solar Field uses Mineral Crystal with Months on a full solar charge; no battery replacement, against Sapphire Crystal and 65 Hours on the Calatrava 6119R. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Casio

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

The MTP-S120L Solar Field is rated to 100m (10 ATM) while the Calatrava 6119R handles 30m (3 ATM). The MTP-S120L Solar Field is better suited for water activities.

Our Verdict

Casio

MTP-S120L Solar Field

Choose the Casio MTP-S120L Solar Field if you prioritize Casio Tough Solar Quartz engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At $100–$150, it delivers Solar-Powered Quartz with Months on a full solar charge; no battery replacement power reserve.

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Patek Philippe

Calatrava 6119R

Choose the Patek Philippe Calatrava 6119R if you value Patek Philippe In-House Manual-Wind technology, Swiss Made heritage, and 39mm proportions. At $25,000+, the Manual-Wind Caliber 30-255 PS with 65 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Casio MTP-S120L Solar Field and Patek Philippe Calatrava 6119R represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Patek Philippe delivers Swiss Made engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Casio MTP-S120L Solar Field ($100–$150) offers Solar-Powered Quartz with Months on a full solar charge; no battery replacement power reserve, while the Patek Philippe Calatrava 6119R ($25,000+) features Manual-Wind Caliber 30-255 PS with 30m (3 ATM) water resistance. Choose based on your priorities: Casio (Japan) craftsmanship vs Swiss Made engineering.

The Casio MTP-S120L Solar Field offers better upfront value, sitting a tier lower at $100–$150. However, the Patek Philippe Calatrava 6119R may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The MTP-S120L Solar Field at 44.5mm with 100m (10 ATM) water resistance handles everyday situations. The Calatrava 6119R at 39mm with 30m (3 ATM) is similarly capable. The MTP-S120L Solar Field uses Mineral Crystal while the Calatrava 6119R uses Sapphire Crystal. Sapphire resists scratches noticeably better than mineral 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.