Head-to-Head Comparison

Casio MTP-S120L Solar Field vs Mido Ocean Star GMT

Casio's field watch meets Mido's diver

Quick Verdict

The Casio MTP-S120L Solar Field ($100–$150) offers Casio Tough Solar Quartz precision at $900 less than the Mido Ocean Star GMT ($1,000–$1,500). The Ocean Star GMT counters with Swiss Made craftsmanship and 200m (20 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

Mido Ocean Star GMT

Mido

Ocean Star GMT

$1,000–$1,500

Specifications Compared

FeatureCasio MTP-S120L Solar FieldMido Ocean Star GMT
Price$100–$150$1,000–$1,500
Case Size44.5mm44mm
MovementSolar-Powered QuartzAutomatic Caliber 80 (Base ETA C07.661)
Caliber TypeCasio Tough Solar QuartzAutomatic (ETA C07.661 base)
Power ReserveMonths on a full solar charge; no battery replacement80 Hours
Water Resistance100m (10 ATM)200m (20 ATM)
CrystalMineral CrystalSapphire with Double-sided AR
Case MaterialStainless SteelStainless Steel
OriginCasio (Japan)Swiss Made

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Casio's design language vs Mido's approach

⚙️

Movement & Performance

Edge: Mido

Solar-Powered Quartz vs Automatic Caliber 80 (Base ETA C07.661)

📏

Wearability & Fit

Edge: Mido

44.5mm vs 44mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Casio

Casio is $900 more affordable

💧

Water Resistance

Edge: Mido

100m (10 ATM) vs 200m (20 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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Mido

Ocean Star GMT

Choose the Mido Ocean Star GMT if you value Automatic (ETA C07.661 base) technology, Swiss Made heritage, and 44mm proportions. At $1,000–$1,500, the Automatic Caliber 80 (Base ETA C07.661) with 80 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Casio MTP-S120L Solar Field and Mido Ocean Star GMT represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Mido delivers Swiss Made engineering.

Frequently Asked Questions