Head-to-Head Comparison

Updated September 5, 2026

Casio MTP-S120L Solar Field vs Hamilton Ventura Quartz

Casio's field watch meets Hamilton's timepiece

Quick Verdict

The Casio MTP-S120L Solar Field ($100–$150) offers Casio Tough Solar Quartz precision in the tier below the Hamilton Ventura Quartz ($500–$1,000). The MTP-S120L Solar Field measures 42mm (49 x 42 x 10.9mm) and is rated 100m (10 ATM). The Ventura Quartz counters with Swiss Made (Swatch Group) craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.

CasioMTP-S120L Solar Field$100–$150 Check price HamiltonVentura Quartz$500–$1,000 Check price

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Casio

MTP-S120L Solar Field

$100–$150

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Hamilton

Ventura Quartz

$500–$1,000

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Specifications Compared

Feature	Casio MTP-S120L Solar Field	Hamilton Ventura Quartz
Price	$100–$150	$500–$1,000
Case Size	42mm (49 x 42 x 10.9mm)	32.3mm x 50.3mm (Shield)
Movement	Solar-Powered Quartz	Quartz F06.111
Caliber Type	Casio Tough Solar Quartz	Swiss High-Accuracy Quartz
Power Reserve	Months on a full solar charge; no battery replacement	60 Months (Battery)
Water Resistance	100m (10 ATM)	50m (5 ATM)
Crystal	Mineral Crystal	Sapphire
Case Material	Stainless Steel	Stainless Steel
Origin	Casio (Japan)	Swiss Made (Swatch Group)

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Casio's design language vs Hamilton's approach

The Casio MTP-S120L Solar Field features a Stainless Steel case at 42mm (49 x 42 x 10.9mm) with Mineral Crystal protection. The Hamilton Ventura Quartz offers Stainless Steel construction at 32.3mm x 50.3mm (Shield) with Sapphire. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Hamilton

Solar-Powered Quartz vs Quartz F06.111

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 Ventura Quartz uses the Quartz F06.111 (Swiss High-Accuracy Quartz, 60 Months (Battery) reserve) at 32,768 Hz (Quartz). The Ventura Quartz offers a longer power reserve.

📏

Wearability & Fit

Edge: Hamilton

42mm (49 x 42 x 10.9mm) vs 32.3mm x 50.3mm (Shield) — different wrist presence

At 42mm (49 x 42 x 10.9mm), the MTP-S120L Solar Field has a bolder wrist presence compared to the Ventura Quartz at 32.3mm x 50.3mm (Shield). Water resistance differs: 100m (10 ATM) vs 50m (5 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 Hamilton Ventura Quartz at $500–$1,000. 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 and 60 Months (Battery) on the Ventura Quartz. Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Casio

100m (10 ATM) vs 50m (5 ATM)

The MTP-S120L Solar Field is rated to 100m (10 ATM) while the Ventura Quartz handles 50m (5 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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Hamilton

Ventura Quartz

Choose the Hamilton Ventura Quartz if you value Swiss High-Accuracy Quartz technology, Swiss Made (Swatch Group) heritage, and 32.3mm x 50.3mm (Shield) proportions. At $500–$1,000, the Quartz F06.111 with 60 Months (Battery) power reserve makes it a compelling choice.

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The Bottom Line

The Casio MTP-S120L Solar Field and Hamilton Ventura Quartz represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Hamilton delivers Swiss Made (Swatch Group) engineering.

Frequently Asked Questions

For water, the Casio MTP-S120L Solar Field is rated 100 m against 50 m, which is the difference between swimming and diving on one side and splashes on the other. On price, the Casio MTP-S120L Solar Field sits a band lower ($100–$150 against $500–$1,000), 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 MTP-S120L Solar Field offers better upfront value, sitting a tier lower at $100–$150. However, the Hamilton Ventura Quartz may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The MTP-S120L Solar Field at 42mm (49 x 42 x 10.9mm) with 100m (10 ATM) water resistance handles everyday situations. The Ventura Quartz at 32.3mm x 50.3mm (Shield) with 50m (5 ATM) is similarly capable. The MTP-S120L Solar Field uses Mineral Crystal while the Ventura Quartz uses Sapphire. 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.