Head-to-Head Comparison

Citizen Promaster Sea Eco-Drive Diver vs Casio G-Shock DW-5600 Square

Two divers compared — ~$290 vs ~$95

Quick Verdict

The Casio G-Shock DW-5600 Square (~$95) delivers Casio Digital Quartz (Battery) technology at $195 less than the Citizen Promaster Sea Eco-Drive Diver (~$290). The Promaster Sea Eco-Drive Diver justifies its premium with Made in Japan heritage and Eco-Drive Caliber E168. Both represent excellent choices in the diver category.

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Citizen Promaster Sea Eco-Drive Diver

Citizen

Promaster Sea Eco-Drive Diver

~$290

Casio G-Shock DW-5600 Square

Casio

G-Shock DW-5600 Square

~$95

Specifications Compared

FeatureCitizen Promaster Sea Eco-Drive DiverCasio G-Shock DW-5600 Square
Price~$290~$95
Case Size44mm42.8mm (Square)
MovementEco-Drive Caliber E168Quartz Module 3229
Caliber TypeCitizen Eco-Drive (Solar Quartz)Casio Digital Quartz (Battery)
Power Reserve2-Year Battery
Water Resistance200m (20 ATM) ISO 6425200m (20 ATM)
CrystalMineral CrystalMineral Glass
Case MaterialStainless SteelResin
OriginMade in JapanCasio (Japan)

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Citizen's design language vs Casio's approach

⚙️

Movement & Performance

Edge: Casio

Eco-Drive Caliber E168 vs Quartz Module 3229

📏

Wearability & Fit

Edge: Casio

44mm vs 42.8mm (Square) — different wrist presence

💰

Value & Cost of Ownership

Edge: Casio

Casio is $195 more affordable

💧

Water Resistance

Edge: Draw

200m (20 ATM) ISO 6425 vs 200m (20 ATM)

Our Verdict

Citizen

Promaster Sea Eco-Drive Diver

Choose the Citizen Promaster Sea Eco-Drive Diver if you prioritize Citizen Eco-Drive (Solar Quartz) engineering, Made in Japan craftsmanship, and 200m (20 ATM) ISO 6425 water resistance. At ~$290, it delivers Eco-Drive Caliber E168 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 ~$95, the Quartz Module 3229 with 2-Year Battery power reserve makes it a compelling choice.

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The Bottom Line

The Citizen Promaster Sea Eco-Drive Diver and Casio G-Shock DW-5600 Square represent two distinct approaches to the diver category — the Citizen bringing Made in Japan tradition while Casio delivers Casio (Japan) engineering.

Frequently Asked Questions