Head-to-Head Comparison

Casio Duro MDV106 vs Longines Master Collection Moonphase

Casio's diver meets Longines's dress watch

Quick Verdict

The Casio Duro MDV106 ($50–$100) offers Casio Quartz (Battery) precision in the tier below the Longines Master Collection Moonphase ($2,500–$5,000). The Duro MDV106 measures 44mm and is rated 200m (20 ATM) Diver. The Master Collection Moonphase counters with Swiss Made craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective tiers.

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Casio Duro MDV106

Casio

Duro MDV106

$50–$100

Longines Master Collection Moonphase

Longines

Master Collection Moonphase

$2,500–$5,000

Specifications Compared

FeatureCasio Duro MDV106Longines Master Collection Moonphase
Price$50–$100$2,500–$5,000
Case Size44mm40mm
MovementQuartz Module 2784Automatic Caliber L899
Caliber TypeCasio Quartz (Battery)Automatic (ETA A31.L91 base)
Power Reserve3-Year Battery72 Hours
Water Resistance200m (20 ATM) Diver30m (3 ATM)
CrystalMineral GlassSapphire Crystal
Case MaterialStainless SteelStainless Steel
OriginCasio (Japan)Swiss Made

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Casio's design language vs Longines's approach

The Casio Duro MDV106 features a Stainless Steel case at 44mm with Mineral Glass protection. The Longines Master Collection Moonphase offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Longines

Quartz Module 2784 vs Automatic Caliber L899

The Duro MDV106 runs the Quartz Module 2784 (Casio Quartz (Battery), 3-Year Battery power reserve) at standard frequency. The Master Collection Moonphase uses the Automatic Caliber L899 (Automatic (ETA A31.L91 base), 72 Hours reserve) at 25,200 vph (3.5 Hz). The Master Collection Moonphase offers a longer power reserve.

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Wearability & Fit

Edge: Longines

44mm vs 40mm — different wrist presence

At 44mm, the Duro MDV106 has a bolder wrist presence compared to the Master Collection Moonphase at 40mm. Water resistance differs: 200m (20 ATM) Diver vs 30m (3 ATM).

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Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Casio Duro MDV106 sits at $50–$100 and the Longines Master Collection Moonphase at $2,500–$5,000. On the specs that outlast any price: the Duro MDV106 uses Mineral Glass with 3-Year Battery, against Sapphire Crystal and 72 Hours on the Master Collection Moonphase. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Casio

200m (20 ATM) Diver vs 30m (3 ATM)

The Duro MDV106 is rated to 200m (20 ATM) Diver while the Master Collection Moonphase handles 30m (3 ATM). The Duro MDV106 is better suited for water activities.

Our Verdict

Casio

Duro MDV106

Choose the Casio Duro MDV106 if you prioritize Casio Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 200m (20 ATM) Diver water resistance. At $50–$100, it delivers Quartz Module 2784 with 3-Year Battery 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 Duro MDV106 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

Neither is objectively better — they serve different preferences. The Casio Duro MDV106 ($50–$100) offers Quartz Module 2784 with 3-Year Battery power reserve, while the Longines Master Collection Moonphase ($2,500–$5,000) features Automatic Caliber L899 with 30m (3 ATM) water resistance. Choose based on your priorities: Casio (Japan) craftsmanship vs Swiss Made engineering.
The Casio Duro MDV106 offers better upfront value, sitting a tier lower at $50–$100. However, the Longines Master Collection Moonphase may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Duro MDV106 at 44mm with 200m (20 ATM) Diver water resistance handles everyday situations. The Master Collection Moonphase at 40mm with 30m (3 ATM) is similarly capable. The Duro MDV106 uses Mineral Glass while the Master Collection Moonphase uses Sapphire Crystal. Sapphire resists scratches noticeably better than mineral glass.

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.