Head-to-Head Comparison

Citizen Tsuyosa Automatic (Green Dial) vs Casio G-Shock DW-5600 Square

Citizen's timepiece 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 Tsuyosa Automatic (Green Dial) ($250–$500). The G-Shock DW-5600 Square measures 42.8mm (Square) and is rated 200m (20 ATM). The Tsuyosa Automatic (Green Dial) justifies its premium with Made in Japan heritage and Automatic Caliber 8210. Both represent excellent choices in the luxury watch category.

CitizenTsuyosa Automatic (Green Dial)$250–$500 Check price CasioG-Shock DW-5600 Square$50–$100 Check price

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Citizen

Tsuyosa Automatic (Green Dial)

$250–$500

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Casio

G-Shock DW-5600 Square

$50–$100

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Specifications Compared

Feature	Citizen Tsuyosa Automatic (Green Dial)	Casio G-Shock DW-5600 Square
Price	$250–$500	$50–$100
Case Size	40mm	42.8mm (Square)
Movement	Automatic Caliber 8210	Quartz Module 3229
Caliber Type	Citizen/Miyota In-House Automatic	Casio Digital Quartz (Battery)
Power Reserve	40 Hours	2-Year Battery
Water Resistance	50m (5 ATM)	200m (20 ATM)
Crystal	Sapphire Crystal with Cyclops	Mineral Glass
Case Material	Stainless Steel	Resin
Origin	Made in Japan	Casio (Japan)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Citizen's design language vs Casio's approach

The Citizen Tsuyosa Automatic (Green Dial) features a Stainless Steel case at 40mm with Sapphire Crystal with Cyclops 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: Citizen

Automatic Caliber 8210 vs Quartz Module 3229

The Tsuyosa Automatic (Green Dial) runs the Automatic Caliber 8210 (Citizen/Miyota In-House Automatic, 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The G-Shock DW-5600 Square uses the Quartz Module 3229 (Casio Digital Quartz (Battery), 2-Year Battery reserve) at standard. The Tsuyosa Automatic (Green Dial) edges ahead on power reserve.

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Wearability & Fit

Edge: Citizen

40mm vs 42.8mm (Square) — different wrist presence

At 40mm, the Tsuyosa Automatic (Green Dial) wears more compactly on smaller wrists compared to the G-Shock DW-5600 Square at 42.8mm (Square). Water resistance differs: 50m (5 ATM) vs 200m (20 ATM).

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Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Citizen Tsuyosa Automatic (Green Dial) sits at $250–$500 and the Casio G-Shock DW-5600 Square at $50–$100. On the specs that outlast any price: the Tsuyosa Automatic (Green Dial) uses Sapphire Crystal with Cyclops with 40 Hours, against Mineral Glass and 2-Year Battery on the G-Shock DW-5600 Square. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Casio

50m (5 ATM) vs 200m (20 ATM)

The Tsuyosa Automatic (Green Dial) is rated to 50m (5 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

Tsuyosa Automatic (Green Dial)

Choose the Citizen Tsuyosa Automatic (Green Dial) if you prioritize Citizen/Miyota In-House Automatic engineering, Made in Japan craftsmanship, and 50m (5 ATM) water resistance. At $250–$500, it delivers Automatic Caliber 8210 with 40 Hours 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 Tsuyosa Automatic (Green Dial) and Casio G-Shock DW-5600 Square represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Casio delivers Casio (Japan) engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Citizen Tsuyosa Automatic (Green Dial) ($250–$500) offers Automatic Caliber 8210 with 40 Hours power reserve, while the Casio G-Shock DW-5600 Square ($50–$100) features Quartz Module 3229 with 200m (20 ATM) water resistance. Choose based on your priorities: Made in Japan craftsmanship vs Casio (Japan) engineering.

The Casio G-Shock DW-5600 Square offers better upfront value, sitting a tier lower at $50–$100. However, the Citizen Tsuyosa Automatic (Green Dial) may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The Tsuyosa Automatic (Green Dial) at 40mm with 50m (5 ATM) water resistance handles everyday situations. The G-Shock DW-5600 Square at 42.8mm (Square) with 200m (20 ATM) is similarly capable. The Tsuyosa Automatic (Green Dial) uses Sapphire Crystal with Cyclops while the G-Shock DW-5600 Square uses Mineral Glass. Sapphire resists scratches noticeably better than 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.