Head-to-Head Comparison

Updated September 5, 2026

Citizen Eco-Drive Weekender Chronograph vs Casio G-Shock DW-5600 Square

Citizen's chronograph meets Casio's diver

Quick Verdict

The Casio G-Shock DW-5600 Square ($50–$100) delivers Casio Digital Quartz (Battery) technology in the tier below the Citizen Eco-Drive Weekender Chronograph ($150–$250). The G-Shock DW-5600 Square measures 42.8mm (Square) and is rated 200m (20 ATM). The Eco-Drive Weekender Chronograph justifies its premium with Japanese Movement heritage and Eco-Drive Caliber H500. Both represent excellent choices in the luxury watch category.

CitizenEco-Drive Weekender Chronograph$150–$250 Check price CasioG-Shock DW-5600 Square$50–$100 Check price

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Citizen

Eco-Drive Weekender Chronograph

$150–$250

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Casio

G-Shock DW-5600 Square

$50–$100

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Specifications Compared

Feature	Citizen Eco-Drive Weekender Chronograph	Casio G-Shock DW-5600 Square
Price	$150–$250	$50–$100
Case Size	43mm	42.8mm (Square)
Movement	Eco-Drive Caliber H500	Quartz Module 3229
Caliber Type	Citizen Eco-Drive Solar Quartz	Casio Digital Quartz (Battery)
Power Reserve	—	2-Year Battery
Water Resistance	100m (10 ATM)	200m (20 ATM)
Crystal	Mineral Crystal	Mineral Glass
Case Material	Stainless Steel	Resin
Origin	Japanese Movement	Casio (Japan)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Citizen's design language vs Casio's approach

The Citizen Eco-Drive Weekender Chronograph features a Stainless Steel case at 43mm with Mineral Crystal protection. The Casio G-Shock DW-5600 Square offers Resin construction at 42.8mm (Square) with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Casio

Eco-Drive Caliber H500 vs Quartz Module 3229

The Eco-Drive Weekender Chronograph runs the Eco-Drive Caliber H500 (Citizen Eco-Drive Solar Quartz, standard power reserve) at standard frequency. The G-Shock DW-5600 Square uses the Quartz Module 3229 (Casio Digital Quartz (Battery), 2-Year Battery reserve) at standard. The G-Shock DW-5600 Square offers a longer power reserve.

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Wearability & Fit

Edge: Casio

43mm vs 42.8mm (Square) — different wrist presence

At 43mm, the Eco-Drive Weekender Chronograph has a bolder wrist presence compared to the G-Shock DW-5600 Square at 42.8mm (Square). Water resistance differs: 100m (10 ATM) vs 200m (20 ATM).

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Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Citizen Eco-Drive Weekender Chronograph sits at $150–$250 and the Casio G-Shock DW-5600 Square at $50–$100. On the specs that outlast any price: the Eco-Drive Weekender Chronograph uses Mineral Crystal with a standard reserve, against Mineral Glass and 2-Year Battery on the G-Shock DW-5600 Square. Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Casio

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

The Eco-Drive Weekender Chronograph is rated to 100m (10 ATM) while the G-Shock DW-5600 Square handles 200m (20 ATM). The G-Shock DW-5600 Square offers superior water resistance.

Our Verdict

Citizen

Eco-Drive Weekender Chronograph

Choose the Citizen Eco-Drive Weekender Chronograph if you prioritize Citizen Eco-Drive Solar Quartz engineering, Japanese Movement craftsmanship, and 100m (10 ATM) water resistance. At $150–$250, it delivers Eco-Drive Caliber H500 with solid power reserve.

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Casio

G-Shock DW-5600 Square

Choose the Casio G-Shock DW-5600 Square if you value Casio Digital Quartz (Battery) technology, Casio (Japan) heritage, and 42.8mm (Square) proportions. At $50–$100, the Quartz Module 3229 with 2-Year Battery power reserve makes it a compelling choice.

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The Bottom Line

The Citizen Eco-Drive Weekender Chronograph and Casio G-Shock DW-5600 Square represent two distinct approaches to fine watchmaking — the Citizen bringing Japanese Movement tradition while Casio delivers Casio (Japan) engineering.

Frequently Asked Questions

For water, the Casio G-Shock DW-5600 Square 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 G-Shock DW-5600 Square 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 G-Shock DW-5600 Square 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 Eco-Drive Weekender Chronograph at 43mm with 100m (10 ATM) water resistance handles everyday situations. The G-Shock DW-5600 Square at 42.8mm (Square) with 200m (20 ATM) is similarly capable. The Eco-Drive Weekender Chronograph uses Mineral Crystal while the G-Shock DW-5600 Square uses 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.