Head-to-Head Comparison

Casio MTP-S120L Solar Field vs Longines Master Collection Moonphase

Casio's field watch meets Longines's dress watch

Quick Verdict

The Casio MTP-S120L Solar Field ($100–$150) offers Casio Tough Solar Quartz precision at $2,400 less than the Longines Master Collection Moonphase ($2,500–$5,000). The Master Collection Moonphase counters with Swiss Made craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective price points.

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Casio MTP-S120L Solar Field

Casio

MTP-S120L Solar Field

$100–$150

Longines Master Collection Moonphase

Longines

Master Collection Moonphase

$2,500–$5,000

Specifications Compared

FeatureCasio MTP-S120L Solar FieldLongines Master Collection Moonphase
Price$100–$150$2,500–$5,000
Case Size44.5mm40mm
MovementSolar-Powered QuartzAutomatic Caliber L899
Caliber TypeCasio Tough Solar QuartzAutomatic (ETA A31.L91 base)
Power ReserveMonths on a full solar charge; no battery replacement72 Hours
Water Resistance100m (10 ATM)30m (3 ATM)
CrystalMineral CrystalSapphire Crystal
Case MaterialStainless SteelStainless Steel
OriginCasio (Japan)Swiss Made

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Casio's design language vs Longines's approach

⚙️

Movement & Performance

Edge: Longines

Solar-Powered Quartz vs Automatic Caliber L899

📏

Wearability & Fit

Edge: Longines

44.5mm vs 40mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Casio

Casio is $2,400 more affordable

💧

Water Resistance

Edge: Casio

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

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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Longines

Master Collection Moonphase

Choose the Longines Master Collection Moonphase if you value Automatic (ETA A31.L91 base) technology, Swiss Made heritage, and 40mm proportions. At $2,500–$5,000, the Automatic Caliber L899 with 72 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Casio MTP-S120L Solar Field and Longines Master Collection Moonphase represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Longines delivers Swiss Made engineering.

Frequently Asked Questions