Head-to-Head Comparison

Updated September 5, 2026

Casio Duro MDV106 Black vs Citizen Eco-Drive Weekender Chronograph

Casio's diver meets Citizen's chronograph

Quick Verdict

The Casio Duro MDV106 Black ($50–$100) offers Casio Quartz (Battery) precision in the tier below the Citizen Eco-Drive Weekender Chronograph ($150–$250). The Duro MDV106 Black measures 44mm and is rated 200m (20 ATM) Diver. The Eco-Drive Weekender Chronograph counters with Japanese Movement craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.

CasioDuro MDV106 Black$50–$100 Check price CitizenEco-Drive Weekender Chronograph$150–$250 Check price

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Casio

Duro MDV106 Black

$50–$100

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Citizen

Eco-Drive Weekender Chronograph

$150–$250

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Specifications Compared

Feature	Casio Duro MDV106 Black	Citizen Eco-Drive Weekender Chronograph
Price	$50–$100	$150–$250
Case Size	44mm	43mm
Movement	Quartz Module 2784	Eco-Drive Caliber H500
Caliber Type	Casio Quartz (Battery)	Citizen Eco-Drive Solar Quartz
Power Reserve	3-Year Battery	—
Water Resistance	200m (20 ATM) Diver	100m (10 ATM)
Crystal	Mineral Glass	Mineral Crystal
Case Material	Stainless Steel	Stainless Steel
Origin	Casio (Japan)	Japanese Movement

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Casio's design language vs Citizen's approach

The Casio Duro MDV106 Black features a Stainless Steel case at 44mm with Mineral Glass protection. The Citizen Eco-Drive Weekender Chronograph offers Stainless Steel construction at 43mm with Mineral Crystal. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Casio

Quartz Module 2784 vs Eco-Drive Caliber H500

The Duro MDV106 Black runs the Quartz Module 2784 (Casio Quartz (Battery), 3-Year Battery power reserve) at standard frequency. The Eco-Drive Weekender Chronograph uses the Eco-Drive Caliber H500 (Citizen Eco-Drive Solar Quartz, standard reserve) at standard. The Duro MDV106 Black edges ahead on power reserve.

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Wearability & Fit

Edge: Citizen

44mm vs 43mm — different wrist presence

At 44mm, the Duro MDV106 Black has a bolder wrist presence compared to the Eco-Drive Weekender Chronograph at 43mm. Water resistance differs: 200m (20 ATM) Diver vs 100m (10 ATM).

💰

Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Casio Duro MDV106 Black sits at $50–$100 and the Citizen Eco-Drive Weekender Chronograph at $150–$250. On the specs that outlast any price: the Duro MDV106 Black uses Mineral Glass with 3-Year Battery, against Mineral Crystal and a standard reserve on the Eco-Drive Weekender Chronograph. Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Casio

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

The Duro MDV106 Black is rated to 200m (20 ATM) Diver while the Eco-Drive Weekender Chronograph handles 100m (10 ATM). The Duro MDV106 Black is better suited for water activities.

Our Verdict

Casio

Duro MDV106 Black

Choose the Casio Duro MDV106 Black 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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Citizen

Eco-Drive Weekender Chronograph

Choose the Citizen Eco-Drive Weekender Chronograph if you value Citizen Eco-Drive Solar Quartz technology, Japanese Movement heritage, and 43mm proportions. At $150–$250, the Eco-Drive Caliber H500 with ample power reserve makes it a compelling choice.

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The Bottom Line

The Casio Duro MDV106 Black and Citizen Eco-Drive Weekender Chronograph represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Citizen delivers Japanese Movement engineering.

Frequently Asked Questions

For water, the Casio Duro MDV106 Black is rated 200 m against 100 m, which is the difference between swimming and diving on one side and splashes on the other. On price, the Casio Duro MDV106 Black sits a band lower ($50–$100 against $150–$250), 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 Duro MDV106 Black offers better upfront value, sitting a tier lower at $50–$100. However, the Citizen Eco-Drive Weekender Chronograph may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The Duro MDV106 Black at 44mm with 200m (20 ATM) Diver water resistance handles everyday situations. The Eco-Drive Weekender Chronograph at 43mm with 100m (10 ATM) is similarly capable. The Duro MDV106 Black uses Mineral Glass while the Eco-Drive Weekender Chronograph uses Mineral Crystal.

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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.